15818130046 has 24 divisors (see below), whose sum is σ = 25224200640. Its totient is φ = 7438159872.

The previous prime is 15818130043. The next prime is 15818130047. The reversal of 15818130046 is 64003181851.

It is a junction number, because it is equal to n+sod(n) for n = 15818129987 and 15818130014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15818130043) 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, 804691 + ... + 824113.

It is an arithmetic number, because the mean of its divisors is an integer number (1051008360).

Almost surely, 2^15818130046 is an apocalyptic number.

15818130046 is a deficient number, since it is larger than the sum of its proper divisors (9406070594).

15818130046 is a wasteful number, since it uses less digits than its factorization.

15818130046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20868 (or 20851 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 15818130046 in words is "fifteen billion, eight hundred eighteen million, one hundred thirty thousand, forty-six".