2131164046 has 24 divisors (see below), whose sum is σ = 3520731312. Its totient is φ = 966794400.

The previous prime is 2131164043. The next prime is 2131164053. The reversal of 2131164046 is 6404611312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131164043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117631 + ... + 134533.

It is an arithmetic number, because the mean of its divisors is an integer number (146697138).

Almost surely, 2^2131164046 is an apocalyptic number.

2131164046 is a deficient number, since it is larger than the sum of its proper divisors (1389567266).

2131164046 is a wasteful number, since it uses less digits than its factorization.

2131164046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448 (or 17437 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2131164046 is about 46164.5323381489. The cubic root of 2131164046 is about 1286.8826931823.

Adding to 2131164046 its reverse (6404611312), we get a palindrome (8535775358).

The spelling of 2131164046 in words is "two billion, one hundred thirty-one million, one hundred sixty-four thousand, forty-six".