18746006157616 has 20 divisors (see below), whose sum is σ = 36323965255824. Its totient is φ = 9372079640000.

The previous prime is 18746006157569. The next prime is 18746006157623. The reversal of 18746006157616 is 61675160064781.

It is a super-2 number, since 2×18746006157616² (a number of 27 digits) contains 22 as substring.

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, 57547435 + ... + 57872266.

Almost surely, 2^{18746006157616} is an apocalyptic number.

18746006157616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18746006157616 is a deficient number, since it is larger than the sum of its proper divisors (17577959098208).

18746006157616 is a wasteful number, since it uses less digits than its factorization.

18746006157616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115429860 (or 115429854 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 18746006157616 in words is "eighteen trillion, seven hundred forty-six billion, six million, one hundred fifty-seven thousand, six hundred sixteen".