164465516 has 24 divisors (see below), whose sum is σ = 294147840. Its totient is φ = 80438400.

The previous prime is 164465513. The next prime is 164465551. The reversal of 164465516 is 615564461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 164465516.

It is not an unprimeable number, because it can be changed into a prime (164465513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44840 + ... + 48368.

It is an arithmetic number, because the mean of its divisors is an integer number (12256160).

Almost surely, 2^164465516 is an apocalyptic number.

It is an amenable number.

164465516 is a deficient number, since it is larger than the sum of its proper divisors (129682324).

164465516 is a wasteful number, since it uses less digits than its factorization.

164465516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785 (or 3783 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 164465516 is about 12824.4109416378. The cubic root of 164465516 is about 547.8877840449.

The spelling of 164465516 in words is "one hundred sixty-four million, four hundred sixty-five thousand, five hundred sixteen".