616130643 has 16 divisors (see below), whose sum is σ = 875383200. Its totient is φ = 384124416.

The previous prime is 616130633. The next prime is 616130707. The reversal of 616130643 is 346031616.

It is not a de Polignac number, because 616130643 - 2⁸ = 616130387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616130643.

It is not an unprimeable number, because it can be changed into a prime (616130633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30468 + ... + 46481.

It is an arithmetic number, because the mean of its divisors is an integer number (54711450).

Almost surely, 2^616130643 is an apocalyptic number.

616130643 is a deficient number, since it is larger than the sum of its proper divisors (259252557).

616130643 is a wasteful number, since it uses less digits than its factorization.

616130643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77126.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 616130643 is about 24821.9790306897. The cubic root of 616130643 is about 850.9243199877.

The spelling of 616130643 in words is "six hundred sixteen million, one hundred thirty thousand, six hundred forty-three".