18060578156 has 24 divisors (see below), whose sum is σ = 32086034736. Its totient is φ = 8893209600.

The previous prime is 18060578149. The next prime is 18060578203. The reversal of 18060578156 is 65187506081.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18060578156.

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, 1548860 + ... + 1560476.

It is an arithmetic number, because the mean of its divisors is an integer number (1336918114).

Almost surely, 2^18060578156 is an apocalyptic number.

It is an amenable number.

18060578156 is a deficient number, since it is larger than the sum of its proper divisors (14025456580).

18060578156 is a wasteful number, since it uses less digits than its factorization.

18060578156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17489 (or 17487 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 18060578156 in words is "eighteen billion, sixty million, five hundred seventy-eight thousand, one hundred fifty-six".