216261602330620 has 96 divisors (see below), whose sum is σ = 577767546316800. Its totient is φ = 67406213689920.

The previous prime is 216261602330567. The next prime is 216261602330621. The reversal of 216261602330620 is 26033206162612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216261602330621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1432879764 + ... + 1433030683.

It is an arithmetic number, because the mean of its divisors is an integer number (6018411940800).

Almost surely, 2^{216261602330620} is an apocalyptic number.

216261602330620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216261602330620 is an abundant number, since it is smaller than the sum of its proper divisors (361505943986180).

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

216261602330620 is a wasteful number, since it uses less digits than its factorization.

216261602330620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865910488 (or 2865910472 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 216261602330620 in words is "two hundred sixteen trillion, two hundred sixty-one billion, six hundred two million, three hundred thirty thousand, six hundred twenty".