18601151960 has 32 divisors (see below), whose sum is σ = 43202678400. Its totient is φ = 7200445440.

The previous prime is 18601151903. The next prime is 18601151993. The reversal of 18601151960 is 6915110681.

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 7 ways as a sum of consecutive naturals, for example, 7499225 + ... + 7501704.

It is an arithmetic number, because the mean of its divisors is an integer number (1350083700).

Almost surely, 2^18601151960 is an apocalyptic number.

18601151960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18601151960 is an abundant number, since it is smaller than the sum of its proper divisors (24601526440).

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

18601151960 is a wasteful number, since it uses less digits than its factorization.

18601151960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15000971 (or 15000967 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 38.

The spelling of 18601151960 in words is "eighteen billion, six hundred one million, one hundred fifty-one thousand, nine hundred sixty".