616651732563 has 64 divisors (see below), whose sum is σ = 897493893120. Its totient is φ = 375603984000.

The previous prime is 616651732481. The next prime is 616651732573. The reversal of 616651732563 is 365237156616.

It is not a de Polignac number, because 616651732563 - 2¹³ = 616651724371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616651732573) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 241728138 + ... + 241730688.

It is an arithmetic number, because the mean of its divisors is an integer number (14023342080).

Almost surely, 2^616651732563 is an apocalyptic number.

616651732563 is a deficient number, since it is larger than the sum of its proper divisors (280842160557).

616651732563 is a wasteful number, since it uses less digits than its factorization.

616651732563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568.

The product of its digits is 4082400, while the sum is 51.

The spelling of 616651732563 in words is "six hundred sixteen billion, six hundred fifty-one million, seven hundred thirty-two thousand, five hundred sixty-three".