18500187034 has 32 divisors (see below), whose sum is σ = 33900685056. Its totient is φ = 7398948480.

The previous prime is 18500187019. The next prime is 18500187053. The reversal of 18500187034 is 43078100581.

It is a junction number, because it is equal to n+sod(n) for n = 18500186984 and 18500187002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687457 + ... + 713860.

It is an arithmetic number, because the mean of its divisors is an integer number (1059396408).

Almost surely, 2^18500187034 is an apocalyptic number.

18500187034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18500187034 is a deficient number, since it is larger than the sum of its proper divisors (15400498022).

18500187034 is a wasteful number, since it uses less digits than its factorization.

18500187034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401390.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 18500187034 in words is "eighteen billion, five hundred million, one hundred eighty-seven thousand, thirty-four".