164616727 has 32 divisors (see below), whose sum is σ = 196116480. Its totient is φ = 136620000.

The previous prime is 164616719. The next prime is 164616733. The reversal of 164616727 is 727616461.

It is not a de Polignac number, because 164616727 - 2³ = 164616719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164616727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164616757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1090102 + ... + 1090252.

It is an arithmetic number, because the mean of its divisors is an integer number (6128640).

Almost surely, 2^164616727 is an apocalyptic number.

164616727 is a deficient number, since it is larger than the sum of its proper divisors (31499753).

164616727 is a wasteful number, since it uses less digits than its factorization.

164616727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its digits is 84672, while the sum is 40.

The square root of 164616727 is about 12830.3050236540. The cubic root of 164616727 is about 548.0556435142.

The spelling of 164616727 in words is "one hundred sixty-four million, six hundred sixteen thousand, seven hundred twenty-seven".