164140264 has 16 divisors (see below), whose sum is σ = 312809220. Its totient is φ = 80724480.

The previous prime is 164140217. The next prime is 164140267. The reversal of 164140264 is 462041461.

It can be written as a sum of positive squares in 2 ways, for example, as 122279364 + 41860900 = 11058^2 + 6470^2 .

It is not an unprimeable number, because it can be changed into a prime (164140267) 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, 167689 + ... + 168664.

Almost surely, 2^164140264 is an apocalyptic number.

It is an amenable number.

164140264 is a deficient number, since it is larger than the sum of its proper divisors (148668956).

164140264 is a wasteful number, since it uses less digits than its factorization.

164140264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336420 (or 336416 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 164140264 is about 12811.7236935551. The cubic root of 164140264 is about 547.5263725195.

It can be divided in two parts, 1641 and 40264, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 164140264 in words is "one hundred sixty-four million, one hundred forty thousand, two hundred sixty-four".