18552074436 has 405 divisors, whose sum is σ = 60258033759. Its totient is φ = 4962256992.

The previous prime is 18552074423. The next prime is 18552074447. The reversal of 18552074436 is 63447025581.

The square root of 18552074436 is 136206.

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

18552074436 is a `hidden beast` number, since 1 + 8 + 5 + 5 + 207 + 4 + 436 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18552074391 and 18552074400.

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 134 ways as a sum of consecutive naturals, for example, 394724965 + ... + 394725011.

Almost surely, 2^18552074436 is an apocalyptic number.

18552074436 is the 136206-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18552074436

18552074436 is an abundant number, since it is smaller than the sum of its proper divisors (41705959323).

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

18552074436 is a wasteful number, since it uses less digits than its factorization.

18552074436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 18552074436 in words is "eighteen billion, five hundred fifty-two million, seventy-four thousand, four hundred thirty-six".