164566260 has 36 divisors (see below), whose sum is σ = 499184868. Its totient is φ = 43884288.

The previous prime is 164566253. The next prime is 164566313. The reversal of 164566260 is 62665461.

It is a happy number.

164566260 is a `hidden beast` number, since 1 + 645 + 6 + 6 + 2 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89189136 + 75377124 = 9444^2 + 8682^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456949 + ... + 457308.

Almost surely, 2^164566260 is an apocalyptic number.

164566260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164566260 is an abundant number, since it is smaller than the sum of its proper divisors (334618608).

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

164566260 is a wasteful number, since it uses less digits than its factorization.

164566260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914272 (or 914267 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 164566260 is about 12828.3381620536. The cubic root of 164566260 is about 547.9996314843. Note that the first 3 decimals are identical.

The spelling of 164566260 in words is "one hundred sixty-four million, five hundred sixty-six thousand, two hundred sixty".