616531263014623 has 8 divisors (see below), whose sum is σ = 672597793607040. Its totient is φ = 560467771414680.

The previous prime is 616531263014603. The next prime is 616531263014657. The reversal of 616531263014623 is 326410362135616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616531263014623 is a prime.

It is a super-2 number, since 2×616531263014623² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616531263014603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759323913 + ... + 760135426.

It is an arithmetic number, because the mean of its divisors is an integer number (84074724200880).

Almost surely, 2^{616531263014623} is an apocalyptic number.

616531263014623 is a deficient number, since it is larger than the sum of its proper divisors (56066530592417).

616531263014623 is a wasteful number, since it uses less digits than its factorization.

616531263014623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519496237.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 616531263014623 in words is "six hundred sixteen trillion, five hundred thirty-one billion, two hundred sixty-three million, fourteen thousand, six hundred twenty-three".