18326070562816 has 39 divisors (see below), whose sum is σ = 36648214883301. Its totient is φ = 9162898292736.

The previous prime is 18326070562781. The next prime is 18326070562847. The reversal of 18326070562816 is 61826507062381.

It is a happy number.

The square root of 18326070562816 is 4280896.

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., 7772408713216 + 10553661849600 = 2787904^2 + 3248640^2 .

It is a super-2 number, since 2×18326070562816² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 273943900 + ... + 274010788.

Almost surely, 2^{18326070562816} is an apocalyptic number.

18326070562816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18326070562816 is the 4280896-th square number.

It is an amenable number.

18326070562816 is a deficient number, since it is larger than the sum of its proper divisors (18322144320485).

18326070562816 is an frugal number, since it uses more digits than its factorization.

18326070562816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133802 (or 66891 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 18326070562816 in words is "eighteen trillion, three hundred twenty-six billion, seventy million, five hundred sixty-two thousand, eight hundred sixteen".