164075556 has 12 divisors (see below), whose sum is σ = 382842992. Its totient is φ = 54691848.

The previous prime is 164075531. The next prime is 164075557. The reversal of 164075556 is 655570461.

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

It is not an unprimeable number, because it can be changed into a prime (164075557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836470 + ... + 6836493.

Almost surely, 2^164075556 is an apocalyptic number.

It is an amenable number.

164075556 is an abundant number, since it is smaller than the sum of its proper divisors (218767436).

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

164075556 is a wasteful number, since it uses less digits than its factorization.

164075556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13672970 (or 13672968 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 164075556 is about 12809.1981013645. The cubic root of 164075556 is about 547.4544137521.

The spelling of 164075556 in words is "one hundred sixty-four million, seventy-five thousand, five hundred fifty-six".