616995346513 has 32 divisors (see below), whose sum is σ = 803556052992. Its totient is φ = 460370433600.

The previous prime is 616995346501. The next prime is 616995346531. The reversal of 616995346513 is 315643599616.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-616995346513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616995346543) 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, 1927383 + ... + 2224588.

It is an arithmetic number, because the mean of its divisors is an integer number (25111126656).

Almost surely, 2^616995346513 is an apocalyptic number.

It is an amenable number.

616995346513 is a deficient number, since it is larger than the sum of its proper divisors (186560706479).

616995346513 is a wasteful number, since it uses less digits than its factorization.

616995346513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152085.

The product of its digits is 15746400, while the sum is 58.

The spelling of 616995346513 in words is "six hundred sixteen billion, nine hundred ninety-five million, three hundred forty-six thousand, five hundred thirteen".