18471692058 has 32 divisors (see below), whose sum is σ = 38612681856. Its totient is φ = 5879890368.

The previous prime is 18471692047. The next prime is 18471692059. The reversal of 18471692058 is 85029617481.

It is a self number, because there is not a number n which added to its sum of digits gives 18471692058.

It is not an unprimeable number, because it can be changed into a prime (18471692059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24585 + ... + 193772.

It is an arithmetic number, because the mean of its divisors is an integer number (1206646308).

Almost surely, 2^18471692058 is an apocalyptic number.

18471692058 is an abundant number, since it is smaller than the sum of its proper divisors (20140989798).

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

18471692058 is a wasteful number, since it uses less digits than its factorization.

18471692058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218998.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 18471692058 in words is "eighteen billion, four hundred seventy-one million, six hundred ninety-two thousand, fifty-eight".