18858012604 has 12 divisors (see below), whose sum is σ = 33004498464. Its totient is φ = 9428155904.

The previous prime is 18858012479. The next prime is 18858012611. The reversal of 18858012604 is 40621085881.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 161332 + ... + 252475.

It is an arithmetic number, because the mean of its divisors is an integer number (2750374872).

Almost surely, 2^18858012604 is an apocalyptic number.

It is an amenable number.

18858012604 is a deficient number, since it is larger than the sum of its proper divisors (14146485860).

18858012604 is a wasteful number, since it uses less digits than its factorization.

18858012604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425204 (or 425202 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 18858012604 in words is "eighteen billion, eight hundred fifty-eight million, twelve thousand, six hundred four".