13161622072 has 16 divisors (see below), whose sum is σ = 24701142600. Its totient is φ = 6574650720.

The previous prime is 13161622063. The next prime is 13161622081. The reversal of 13161622072 is 27022616131.

It is an interprime number because it is at equal distance from previous prime (13161622063) and next prime (13161622081).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760954 + ... + 778057.

Almost surely, 2^13161622072 is an apocalyptic number.

It is an amenable number.

13161622072 is a deficient number, since it is larger than the sum of its proper divisors (11539520528).

13161622072 is a wasteful number, since it uses less digits than its factorization.

13161622072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540086 (or 1540082 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 13161622072 in words is "thirteen billion, one hundred sixty-one million, six hundred twenty-two thousand, seventy-two".