18571023046 has 16 divisors (see below), whose sum is σ = 27972041904. Its totient is φ = 9247065984.

The previous prime is 18571023043. The next prime is 18571023127. The reversal of 18571023046 is 64032017581.

It is a junction number, because it is equal to n+sod(n) for n = 18571022996 and 18571023014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18571023043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673201 + ... + 700243.

It is an arithmetic number, because the mean of its divisors is an integer number (1748252619).

Almost surely, 2^18571023046 is an apocalyptic number.

18571023046 is a deficient number, since it is larger than the sum of its proper divisors (9401018858).

18571023046 is a wasteful number, since it uses less digits than its factorization.

18571023046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28455.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 18571023046 in words is "eighteen billion, five hundred seventy-one million, twenty-three thousand, forty-six".