164481756 has 12 divisors (see below), whose sum is σ = 383790792. Its totient is φ = 54827248.

The previous prime is 164481743. The next prime is 164481781. The reversal of 164481756 is 657184461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6853395 + ... + 6853418.

It is an arithmetic number, because the mean of its divisors is an integer number (31982566).

Almost surely, 2^164481756 is an apocalyptic number.

It is an amenable number.

164481756 is an abundant number, since it is smaller than the sum of its proper divisors (219309036).

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

164481756 is a wasteful number, since it uses less digits than its factorization.

164481756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706820 (or 13706818 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 164481756 is about 12825.0440934915. The cubic root of 164481756 is about 547.9058170141.

The spelling of 164481756 in words is "one hundred sixty-four million, four hundred eighty-one thousand, seven hundred fifty-six".