164689356 has 48 divisors (see below), whose sum is σ = 414696800. Its totient is φ = 50568192.

The previous prime is 164689351. The next prime is 164689373. The reversal of 164689356 is 653986461.

It is not an unprimeable number, because it can be changed into a prime (164689351) 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, 109860 + ... + 111348.

Almost surely, 2^164689356 is an apocalyptic number.

It is an amenable number.

164689356 is an abundant number, since it is smaller than the sum of its proper divisors (250007444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164689356 is a wasteful number, since it uses less digits than its factorization.

164689356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218 (or 2216 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 164689356 is about 12833.1350807198. The cubic root of 164689356 is about 548.1362324911.

The spelling of 164689356 in words is "one hundred sixty-four million, six hundred eighty-nine thousand, three hundred fifty-six".