6616215464562 has 64 divisors (see below), whose sum is σ = 16237326510720. Its totient is φ = 2004913762560.

The previous prime is 6616215464561. The next prime is 6616215464567. The reversal of 6616215464562 is 2654645126166.

6616215464562 is a `hidden beast` number, since 6 + 6 + 1 + 6 + 2 + 15 + 4 + 64 + 562 = 666.

It is a super-2 number, since 2×6616215464562² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6616215464499 and 6616215464508.

It is not an unprimeable number, because it can be changed into a prime (6616215464561) 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, 68707503 + ... + 68803730.

It is an arithmetic number, because the mean of its divisors is an integer number (253708226730).

Almost surely, 2^{6616215464562} is an apocalyptic number.

6616215464562 is an abundant number, since it is smaller than the sum of its proper divisors (9621111046158).

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

6616215464562 is a wasteful number, since it uses less digits than its factorization.

6616215464562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137511267 (or 137511249 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 6616215464562 in words is "six trillion, six hundred sixteen billion, two hundred fifteen million, four hundred sixty-four thousand, five hundred sixty-two".