18242756491716 has 27 divisors (see below), whose sum is σ = 46113699244431. Its totient is φ = 6080910288264.

The previous prime is 18242756491711. The next prime is 18242756491769. The reversal of 18242756491716 is 61719465724281.

It is a happy number.

The square root of 18242756491716 is 4271154.

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

18242756491716 is a `hidden beast` number, since 1 + 8 + 2 + 4 + 2 + 75 + 6 + 491 + 71 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (18242756491711) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25270995 + ... + 25982853.

Almost surely, 2^{18242756491716} is an apocalyptic number.

18242756491716 is the 4271154-th square number.

It is an amenable number.

18242756491716 is an abundant number, since it is smaller than the sum of its proper divisors (27870942752715).

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

18242756491716 is an frugal number, since it uses more digits than its factorization.

18242756491716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423728 (or 711864 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The spelling of 18242756491716 in words is "eighteen trillion, two hundred forty-two billion, seven hundred fifty-six million, four hundred ninety-one thousand, seven hundred sixteen".