18571034472 has 16 divisors (see below), whose sum is σ = 46427586240. Its totient is φ = 6190344816.

The previous prime is 18571034441. The next prime is 18571034479. The reversal of 18571034472 is 27443017581.

It is not an unprimeable number, because it can be changed into a prime (18571034479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386896528 + ... + 386896575.

It is an arithmetic number, because the mean of its divisors is an integer number (2901724140).

Almost surely, 2^18571034472 is an apocalyptic number.

18571034472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18571034472 is an abundant number, since it is smaller than the sum of its proper divisors (27856551768).

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

18571034472 is a wasteful number, since it uses less digits than its factorization.

18571034472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773793112 (or 773793108 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 18571034472 in words is "eighteen billion, five hundred seventy-one million, thirty-four thousand, four hundred seventy-two".