216736057116440 has 32 divisors (see below), whose sum is σ = 488176572703680. Its totient is φ = 86601899434752.

The previous prime is 216736057116437. The next prime is 216736057116493. The reversal of 216736057116440 is 44611750637612.

216736057116440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2891318672 + ... + 2891393631.

It is an arithmetic number, because the mean of its divisors is an integer number (15255517896990).

Almost surely, 2^{216736057116440} is an apocalyptic number.

216736057116440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216736057116440 is an abundant number, since it is smaller than the sum of its proper divisors (271440515587240).

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

216736057116440 is a wasteful number, since it uses less digits than its factorization.

216736057116440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782713251 (or 5782713247 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 216736057116440 in words is "two hundred sixteen trillion, seven hundred thirty-six billion, fifty-seven million, one hundred sixteen thousand, four hundred forty".