164013144 has 32 divisors (see below), whose sum is σ = 434153520. Its totient is φ = 51454976.

The previous prime is 164013139. The next prime is 164013151. The reversal of 164013144 is 441310461.

It is a super-2 number, since 2×164013144² = 53800622809529472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200589 + ... + 201404.

Almost surely, 2^164013144 is an apocalyptic number.

It is an amenable number.

164013144 is an abundant number, since it is smaller than the sum of its proper divisors (270140376).

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

164013144 is a wasteful number, since it uses less digits than its factorization.

164013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402019 (or 402015 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 164013144 is about 12806.7616515652. The cubic root of 164013144 is about 547.3849903333.

The spelling of 164013144 in words is "one hundred sixty-four million, thirteen thousand, one hundred forty-four".