18067123396 has 27 divisors (see below), whose sum is σ = 36783332397. Its totient is φ = 7742246400.

The previous prime is 18067123357. The next prime is 18067123409. The reversal of 18067123396 is 69332176081.

The square root of 18067123396 is 134414.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13991577796 + 4075545600 = 118286^2 + 63840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1876996 + ... + 1886596.

Almost surely, 2^18067123396 is an apocalyptic number.

18067123396 is the 134414-th square number.

It is an amenable number.

18067123396 is an abundant number, since it is smaller than the sum of its proper divisors (18716209001).

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

18067123396 is an frugal number, since it uses more digits than its factorization.

18067123396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19220 (or 9610 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 18067123396 in words is "eighteen billion, sixty-seven million, one hundred twenty-three thousand, three hundred ninety-six".