13120040164 has 36 divisors (see below), whose sum is σ = 28842409792. Its totient is φ = 5111702640.

The previous prime is 13120040147. The next prime is 13120040183. The reversal of 13120040164 is 46104002131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1932864 + ... + 1939639.

Almost surely, 2^13120040164 is an apocalyptic number.

13120040164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13120040164 is an abundant number, since it is smaller than the sum of its proper divisors (15722369628).

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

13120040164 is a wasteful number, since it uses less digits than its factorization.

13120040164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872536 (or 3872523 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13120040164 its reverse (46104002131), we get a palindrome (59224042295).

The spelling of 13120040164 in words is "thirteen billion, one hundred twenty million, forty thousand, one hundred sixty-four".