18676541512 has 32 divisors (see below), whose sum is σ = 36803995200. Its totient is φ = 8867985984.

The previous prime is 18676541503. The next prime is 18676541531. The reversal of 18676541512 is 21514567681.

It is a super-2 number, since 2×18676541512² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339543 + ... + 390694.

It is an arithmetic number, because the mean of its divisors is an integer number (1150124850).

Almost surely, 2^18676541512 is an apocalyptic number.

It is an amenable number.

18676541512 is a deficient number, since it is larger than the sum of its proper divisors (18127453688).

18676541512 is a wasteful number, since it uses less digits than its factorization.

18676541512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730405 (or 730401 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The spelling of 18676541512 in words is "eighteen billion, six hundred seventy-six million, five hundred forty-one thousand, five hundred twelve".