164404650 has 24 divisors (see below), whose sum is σ = 407723904. Its totient is φ = 43841200.

The previous prime is 164404649. The next prime is 164404673. The reversal of 164404650 is 56404461.

It is a super-3 number, since 3×164404650³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547866 + ... + 548165.

It is an arithmetic number, because the mean of its divisors is an integer number (16988496).

Almost surely, 2^164404650 is an apocalyptic number.

164404650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164404650 is an abundant number, since it is smaller than the sum of its proper divisors (243319254).

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

164404650 is a wasteful number, since it uses less digits than its factorization.

164404650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096046 (or 1096041 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 164404650 is about 12822.0376695750. The cubic root of 164404650 is about 547.8201876001.

The spelling of 164404650 in words is "one hundred sixty-four million, four hundred four thousand, six hundred fifty".