18210162832 has 20 divisors (see below), whose sum is σ = 35295733116. Its totient is φ = 9101586560.

The previous prime is 18210162823. The next prime is 18210162847. The reversal of 18210162832 is 23826101281.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12963188736 + 5246974096 = 113856^2 + 72436^2 .

It is a super-2 number, since 2×18210162832² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175183 + ... + 259054.

Almost surely, 2^18210162832 is an apocalyptic number.

It is an amenable number.

18210162832 is a deficient number, since it is larger than the sum of its proper divisors (17085570284).

18210162832 is a wasteful number, since it uses less digits than its factorization.

18210162832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436866 (or 436860 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 18210162832 in words is "eighteen billion, two hundred ten million, one hundred sixty-two thousand, eight hundred thirty-two".