18070887184 has 45 divisors (see below), whose sum is σ = 40737130101. Its totient is φ = 7743052800.

The previous prime is 18070887179. The next prime is 18070887217. The reversal of 18070887184 is 48178807081.

The square root of 18070887184 is 134428.

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., 10439117584 + 7631769600 = 102172^2 + 87360^2 .

It is a Duffinian number.

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, 3761584 + ... + 3766384.

Almost surely, 2^18070887184 is an apocalyptic number.

18070887184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18070887184 is the 134428-th square number.

It is an amenable number.

18070887184 is an abundant number, since it is smaller than the sum of its proper divisors (22666242917).

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

18070887184 is an frugal number, since it uses more digits than its factorization.

18070887184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 52.

The spelling of 18070887184 in words is "eighteen billion, seventy million, eight hundred eighty-seven thousand, one hundred eighty-four".