18475516152 has 80 divisors (see below), whose sum is σ = 53417918400. Its totient is φ = 5959837440.

The previous prime is 18475516151. The next prime is 18475516187. The reversal of 18475516152 is 25161557481.

18475516152 is a `hidden beast` number, since 1 + 8 + 47 + 551 + 6 + 1 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18475516098 and 18475516107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18475516151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 439777 + ... + 479952.

It is an arithmetic number, because the mean of its divisors is an integer number (667723980).

Almost surely, 2^18475516152 is an apocalyptic number.

18475516152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18475516152 is an abundant number, since it is smaller than the sum of its proper divisors (34942402248).

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

18475516152 is a wasteful number, since it uses less digits than its factorization.

18475516152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919778 (or 919765 counting only the distinct ones).

The product of its digits is 336000, while the sum is 45.

The spelling of 18475516152 in words is "eighteen billion, four hundred seventy-five million, five hundred sixteen thousand, one hundred fifty-two".