16160331612 has 24 divisors (see below), whose sum is σ = 37788894976. Its totient is φ = 5375140848.

The previous prime is 16160331587. The next prime is 16160331613. The reversal of 16160331612 is 21613306161.

It is a super-2 number, since 2×16160331612² (a number of 21 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 16160331612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16160331613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448758 + ... + 1459869.

Almost surely, 2^16160331612 is an apocalyptic number.

16160331612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16160331612 is an abundant number, since it is smaller than the sum of its proper divisors (21628563364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16160331612 is a wasteful number, since it uses less digits than its factorization.

16160331612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909097 (or 2909095 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 16160331612 its reverse (21613306161), we get a palindrome (37773637773).

The spelling of 16160331612 in words is "sixteen billion, one hundred sixty million, three hundred thirty-one thousand, six hundred twelve".