18545077652 has 12 divisors (see below), whose sum is σ = 33864924576. Its totient is φ = 8869384920.

The previous prime is 18545077627. The next prime is 18545077679. The reversal of 18545077652 is 25677054581.

It is a self number, because there is not a number n which added to its sum of digits gives 18545077652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100788374 + ... + 100788557.

It is an arithmetic number, because the mean of its divisors is an integer number (2822077048).

Almost surely, 2^18545077652 is an apocalyptic number.

It is an amenable number.

18545077652 is a deficient number, since it is larger than the sum of its proper divisors (15319846924).

18545077652 is a wasteful number, since it uses less digits than its factorization.

18545077652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201576958 (or 201576956 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 18545077652 in words is "eighteen billion, five hundred forty-five million, seventy-seven thousand, six hundred fifty-two".