63953064 has 160 divisors (see below), whose sum is σ = 213966720. Its totient is φ = 17449344.

The previous prime is 63953051. The next prime is 63953089. The reversal of 63953064 is 46035936.

63953064 is a `hidden beast` number, since 63 + 9 + 530 + 64 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104022 + ... + 104634.

It is an arithmetic number, because the mean of its divisors is an integer number (1337292).

Almost surely, 2^63953064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63953064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106983360).

63953064 is an abundant number, since it is smaller than the sum of its proper divisors (150013656).

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

63953064 is a wasteful number, since it uses less digits than its factorization.

63953064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 63953064 is about 7997.0659619638. The cubic root of 63953064 is about 399.9021927530.

The spelling of 63953064 in words is "sixty-three million, nine hundred fifty-three thousand, sixty-four".