18157300546 has 24 divisors (see below), whose sum is σ = 34562878416. Its totient is φ = 7074272520.

The previous prime is 18157300541. The next prime is 18157300547. The reversal of 18157300546 is 64500375181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18157300499 and 18157300508.

It is not an unprimeable number, because it can be changed into a prime (18157300541) 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, 8420676 + ... + 8422831.

It is an arithmetic number, because the mean of its divisors is an integer number (1440119934).

Almost surely, 2^18157300546 is an apocalyptic number.

18157300546 is a deficient number, since it is larger than the sum of its proper divisors (16405577870).

18157300546 is a wasteful number, since it uses less digits than its factorization.

18157300546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16843534 (or 16843527 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 18157300546 in words is "eighteen billion, one hundred fifty-seven million, three hundred thousand, five hundred forty-six".