18965467564096 has 21 divisors (see below), whose sum is σ = 37634668832239. Its totient is φ = 9482716362304.

The previous prime is 18965467564019. The next prime is 18965467564117. The reversal of 18965467564096 is 69046576456981.

The square root of 18965467564096 is 4354936.

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

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, 34567305 + ... + 35111671.

Almost surely, 2^{18965467564096} is an apocalyptic number.

18965467564096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18965467564096 is the 4354936-th square number.

It is an amenable number.

18965467564096 is a deficient number, since it is larger than the sum of its proper divisors (18669201268143).

18965467564096 is an frugal number, since it uses more digits than its factorization.

18965467564096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088746 (or 544369 counting only the distinct ones).

The product of its (nonzero) digits is 2351462400, while the sum is 76.

The spelling of 18965467564096 in words is "eighteen trillion, nine hundred sixty-five billion, four hundred sixty-seven million, five hundred sixty-four thousand, ninety-six".