164929677 has 16 divisors (see below), whose sum is σ = 242231808. Its totient is φ = 98984880.

The previous prime is 164929673. The next prime is 164929691. The reversal of 164929677 is 776929461.

It is not a de Polignac number, because 164929677 - 2² = 164929673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164929673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20863 + ... + 27660.

It is an arithmetic number, because the mean of its divisors is an integer number (15139488).

Almost surely, 2^164929677 is an apocalyptic number.

It is an amenable number.

164929677 is a deficient number, since it is larger than the sum of its proper divisors (77302131).

164929677 is a wasteful number, since it uses less digits than its factorization.

164929677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48640.

The product of its digits is 1143072, while the sum is 51.

The square root of 164929677 is about 12842.4949678791. The cubic root of 164929677 is about 548.4027233523.

The spelling of 164929677 in words is "one hundred sixty-four million, nine hundred twenty-nine thousand, six hundred seventy-seven".