18937914606 has 48 divisors (see below), whose sum is σ = 44200665600. Its totient is φ = 5825442240.

The previous prime is 18937914599. The next prime is 18937914607. The reversal of 18937914606 is 60641973981.

18937914606 is a `hidden beast` number, since 1 + 8 + 93 + 7 + 91 + 460 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18937914607) 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 23 ways as a sum of consecutive naturals, for example, 1055571 + ... + 1073361.

It is an arithmetic number, because the mean of its divisors is an integer number (920847200).

Almost surely, 2^18937914606 is an apocalyptic number.

18937914606 is an abundant number, since it is smaller than the sum of its proper divisors (25262750994).

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

18937914606 is a wasteful number, since it uses less digits than its factorization.

18937914606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22361 (or 22358 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 18937914606 in words is "eighteen billion, nine hundred thirty-seven million, nine hundred fourteen thousand, six hundred six".