164057556 has 96 divisors (see below), whose sum is σ = 433890688. Its totient is φ = 47900160.

The previous prime is 164057503. The next prime is 164057561. The reversal of 164057556 is 655750461.

164057556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) 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 (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247866 + ... + 248526.

Almost surely, 2^164057556 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 164057556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216945344).

164057556 is an abundant number, since it is smaller than the sum of its proper divisors (269833132).

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

164057556 is a wasteful number, since it uses less digits than its factorization.

164057556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 759 counting only the distinct ones).

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

The square root of 164057556 is about 12808.4954619971. The cubic root of 164057556 is about 547.4343934231.

The spelling of 164057556 in words is "one hundred sixty-four million, fifty-seven thousand, five hundred fifty-six".