164256616 has 48 divisors (see below), whose sum is σ = 330970500. Its totient is φ = 76361472.

The previous prime is 164256611. The next prime is 164256637. The reversal of 164256616 is 616652461.

164256616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131194116 + 33062500 = 11454^2 + 5750^2 .

It is a super-3 number, since 3×164256616³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (164256611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156060 + ... + 157108.

Almost surely, 2^164256616 is an apocalyptic number.

It is an amenable number.

164256616 is an abundant number, since it is smaller than the sum of its proper divisors (166713884).

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

164256616 is a wasteful number, since it uses less digits than its factorization.

164256616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1111 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 164256616 is about 12816.2637301204. The cubic root of 164256616 is about 547.6557146242.

The spelling of 164256616 in words is "one hundred sixty-four million, two hundred fifty-six thousand, six hundred sixteen".