18372829588 has 12 divisors (see below), whose sum is σ = 32211887092. Its totient is φ = 9169433280.

The previous prime is 18372829583. The next prime is 18372829603. The reversal of 18372829588 is 88592827381.

It can be written as a sum of positive squares in 2 ways, for example, as 9840243204 + 8532586384 = 99198^2 + 92372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18372829583) 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, 4242945 + ... + 4247272.

Almost surely, 2^18372829588 is an apocalyptic number.

It is an amenable number.

18372829588 is a deficient number, since it is larger than the sum of its proper divisors (13839057504).

18372829588 is a wasteful number, since it uses less digits than its factorization.

18372829588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490762 (or 8490760 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 61.

The spelling of 18372829588 in words is "eighteen billion, three hundred seventy-two million, eight hundred twenty-nine thousand, five hundred eighty-eight".