195451056 has 200 divisors, whose sum is σ = 604961280. Its totient is φ = 60787584.

The previous prime is 195451037. The next prime is 195451073. The reversal of 195451056 is 650154591.

195451056 is a `hidden beast` number, since 1 + 9 + 545 + 105 + 6 = 666.

It is a super-2 number, since 2×195451056² = 76402230583030272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 195451056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2354791 + ... + 2354873.

Almost surely, 2^195451056 is an apocalyptic number.

195451056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195451056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302480640).

195451056 is an abundant number, since it is smaller than the sum of its proper divisors (409510224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195451056 is a wasteful number, since it uses less digits than its factorization.

195451056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 195451056 is about 13980.3811106851. The cubic root of 195451056 is about 580.3357707007.

The spelling of 195451056 in words is "one hundred ninety-five million, four hundred fifty-one thousand, fifty-six".