164496730 has 16 divisors (see below), whose sum is σ = 296894664. Its totient is φ = 65620800.

The previous prime is 164496721. The next prime is 164496733. The reversal of 164496730 is 37694461.

It can be written as a sum of positive squares in 4 ways, for example, as 164019249 + 477481 = 12807^2 + 691^2 .

It is not an unprimeable number, because it can be changed into a prime (164496733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18321 + ... + 25780.

Almost surely, 2^164496730 is an apocalyptic number.

164496730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164496730 is a deficient number, since it is larger than the sum of its proper divisors (132397934).

164496730 is a wasteful number, since it uses less digits than its factorization.

164496730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44481.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 164496730 is about 12825.6278598749. The cubic root of 164496730 is about 547.9224431595.

The spelling of 164496730 in words is "one hundred sixty-four million, four hundred ninety-six thousand, seven hundred thirty".