164711290 has 16 divisors (see below), whose sum is σ = 296630280. Its totient is φ = 65851200.

The previous prime is 164711279. The next prime is 164711293. The reversal of 164711290 is 92117461.

It can be written as a sum of positive squares in 4 ways, for example, as 55905529 + 108805761 = 7477^2 + 10431^2 .

It is not an unprimeable number, because it can be changed into a prime (164711293) 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, 29740 + ... + 34840.

Almost surely, 2^164711290 is an apocalyptic number.

164711290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164711290 is a deficient number, since it is larger than the sum of its proper divisors (131918990).

164711290 is a wasteful number, since it uses less digits than its factorization.

164711290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 164711290 is about 12833.9896368978. The cubic root of 164711290 is about 548.1605657504.

The spelling of 164711290 in words is "one hundred sixty-four million, seven hundred eleven thousand, two hundred ninety".