131696164 has 6 divisors (see below), whose sum is σ = 230468294. Its totient is φ = 65848080.

The previous prime is 131696129. The next prime is 131696167. The reversal of 131696164 is 461696131.

It can be written as a sum of positive squares in only one way, i.e., 81144064 + 50552100 = 9008^2 + 7110^2 .

It is a super-2 number, since 2×131696164² = 34687759224629792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131696167) 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 as a sum of consecutive naturals, namely, 16462017 + ... + 16462024.

Almost surely, 2^131696164 is an apocalyptic number.

It is an amenable number.

131696164 is a deficient number, since it is larger than the sum of its proper divisors (98772130).

131696164 is a wasteful number, since it uses less digits than its factorization.

131696164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32924045 (or 32924043 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 131696164 is about 11475.8949106377. The cubic root of 131696164 is about 508.7733740747.

The spelling of 131696164 in words is "one hundred thirty-one million, six hundred ninety-six thousand, one hundred sixty-four".