18630077632 has 28 divisors (see below), whose sum is σ = 37350197080. Its totient is φ = 9219004416.

The previous prime is 18630077621. The next prime is 18630077663. The reversal of 18630077632 is 23677003681.

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, 1494282 + ... + 1506697.

It is an arithmetic number, because the mean of its divisors is an integer number (1333935610).

Almost surely, 2^18630077632 is an apocalyptic number.

It is an amenable number.

18630077632 is an abundant number, since it is smaller than the sum of its proper divisors (18720119448).

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

18630077632 is an equidigital number, since it uses as much as digits as its factorization.

18630077632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001088 (or 3001078 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 18630077632 in words is "eighteen billion, six hundred thirty million, seventy-seven thousand, six hundred thirty-two".