164610730 has 16 divisors (see below), whose sum is σ = 298290600. Its totient is φ = 65401792.

The previous prime is 164610707. The next prime is 164610749. The reversal of 164610730 is 37016461.

It can be written as a sum of positive squares in 4 ways, for example, as 108555561 + 56055169 = 10419^2 + 7487^2 .

It is a super-2 number, since 2×164610730² = 54193384862265800, which contains 22 as substring.

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, 53749 + ... + 56728.

Almost surely, 2^164610730 is an apocalyptic number.

164610730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164610730 is a deficient number, since it is larger than the sum of its proper divisors (133679870).

164610730 is a wasteful number, since it uses less digits than its factorization.

164610730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110633.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 164610730 is about 12830.0713170270. The cubic root of 164610730 is about 548.0489881970.

The spelling of 164610730 in words is "one hundred sixty-four million, six hundred ten thousand, seven hundred thirty".