1616360222631 has 24 divisors (see below), whose sum is σ = 2734917485184. Its totient is φ = 839667647280.

The previous prime is 1616360222627. The next prime is 1616360222663. The reversal of 1616360222631 is 1362220636161.

It is not a de Polignac number, because 1616360222631 - 2² = 1616360222627 is a prime.

It is a super-2 number, since 2×1616360222631² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616360222631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616360222231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499800555 + ... + 499803788.

It is an arithmetic number, because the mean of its divisors is an integer number (113954895216).

Almost surely, 2^{1616360222631} is an apocalyptic number.

1616360222631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1616360222631 is a deficient number, since it is larger than the sum of its proper divisors (1118557262553).

1616360222631 is a wasteful number, since it uses less digits than its factorization.

1616360222631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999604371 (or 999604364 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

Adding to 1616360222631 its reverse (1362220636161), we get a palindrome (2978580858792).

The spelling of 1616360222631 in words is "one trillion, six hundred sixteen billion, three hundred sixty million, two hundred twenty-two thousand, six hundred thirty-one".