616023486731 has 4 divisors (see below), whose sum is σ = 631048449864. Its totient is φ = 600998523600.

The previous prime is 616023486707. The next prime is 616023486769. The reversal of 616023486731 is 137684320616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616023486731 - 2¹⁸ = 616023224587 is a prime.

It is a super-2 number, since 2×616023486731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616023486791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7512481505 + ... + 7512481586.

It is an arithmetic number, because the mean of its divisors is an integer number (157762112466).

Almost surely, 2^616023486731 is an apocalyptic number.

616023486731 is a deficient number, since it is larger than the sum of its proper divisors (15024963133).

616023486731 is a wasteful number, since it uses less digits than its factorization.

616023486731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15024963132.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 616023486731 in words is "six hundred sixteen billion, twenty-three million, four hundred eighty-six thousand, seven hundred thirty-one".