18906786360 has 192 divisors, whose sum is σ = 76609428480. Its totient is φ = 3928677120.

The previous prime is 18906786271. The next prime is 18906786383. The reversal of 18906786360 is 6368760981.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18906786297 and 18906786306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313312 + ... + 368751.

It is an arithmetic number, because the mean of its divisors is an integer number (399007440).

Almost surely, 2^18906786360 is an apocalyptic number.

18906786360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18906786360 is an abundant number, since it is smaller than the sum of its proper divisors (57702642120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18906786360 is a wasteful number, since it uses less digits than its factorization.

18906786360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682098 (or 682091 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 18906786360 in words is "eighteen billion, nine hundred six million, seven hundred eighty-six thousand, three hundred sixty".