164651210 has 16 divisors (see below), whose sum is σ = 299308392. Its totient is φ = 65208000.

The previous prime is 164651209. The next prime is 164651213. The reversal of 164651210 is 12156461.

It can be written as a sum of positive squares in 4 ways, for example, as 117961321 + 46689889 = 10861^2 + 6833^2 .

It is a super-2 number, since 2×164651210² = 54220041908928200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164651210.

It is not an unprimeable number, because it can be changed into a prime (164651213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80501 + ... + 82520.

Almost surely, 2^164651210 is an apocalyptic number.

164651210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164651210 is a deficient number, since it is larger than the sum of its proper divisors (134657182).

164651210 is a wasteful number, since it uses less digits than its factorization.

164651210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163129.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 164651210 is about 12831.6487638962. The cubic root of 164651210 is about 548.0939087291.

The spelling of 164651210 in words is "one hundred sixty-four million, six hundred fifty-one thousand, two hundred ten".