616534443763 has 24 divisors (see below), whose sum is σ = 748653403680. Its totient is φ = 505293909120.

The previous prime is 616534443761. The next prime is 616534443773. The reversal of 616534443763 is 367344435616.

It is not a de Polignac number, because 616534443763 - 2¹ = 616534443761 is a prime.

It is a super-2 number, since 2×616534443763² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 616534443763.

It is not an unprimeable number, because it can be changed into a prime (616534443761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2975353 + ... + 3175813.

It is an arithmetic number, because the mean of its divisors is an integer number (31193891820).

Almost surely, 2^616534443763 is an apocalyptic number.

616534443763 is a deficient number, since it is larger than the sum of its proper divisors (132118959917).

616534443763 is a wasteful number, since it uses less digits than its factorization.

616534443763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203227 (or 203220 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 52.

The spelling of 616534443763 in words is "six hundred sixteen billion, five hundred thirty-four million, four hundred forty-three thousand, seven hundred sixty-three".