18601741612 has 6 divisors (see below), whose sum is σ = 32553047828. Its totient is φ = 9300870804.

The previous prime is 18601741607. The next prime is 18601741681. The reversal of 18601741612 is 21614710681.

It is a super-2 number, since 2×18601741612² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325217698 + ... + 2325217705.

Almost surely, 2^18601741612 is an apocalyptic number.

It is an amenable number.

18601741612 is a deficient number, since it is larger than the sum of its proper divisors (13951306216).

18601741612 is a wasteful number, since it uses less digits than its factorization.

18601741612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650435407 (or 4650435405 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 18601741612 in words is "eighteen billion, six hundred one million, seven hundred forty-one thousand, six hundred twelve".