131016164 has 24 divisors (see below), whose sum is σ = 232927968. Its totient is φ = 64471680.

The previous prime is 131016163. The next prime is 131016173. The reversal of 131016164 is 461610131.

It is not an unprimeable number, because it can be changed into a prime (131016163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111299 + ... + 112469.

It is an arithmetic number, because the mean of its divisors is an integer number (9705332).

Almost surely, 2^131016164 is an apocalyptic number.

It is an amenable number.

131016164 is a deficient number, since it is larger than the sum of its proper divisors (101911804).

131016164 is a wasteful number, since it uses less digits than its factorization.

131016164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 131016164 is about 11446.2292480974. The cubic root of 131016164 is about 507.8961957493.

Adding to 131016164 its reverse (461610131), we get a palindrome (592626295).

The spelling of 131016164 in words is "one hundred thirty-one million, sixteen thousand, one hundred sixty-four".