16166313023 has 16 divisors (see below), whose sum is σ = 19042268160. Its totient is φ = 13434628896.

The previous prime is 16166312983. The next prime is 16166313049. The reversal of 16166313023 is 32031366161.

It is a cyclic number.

It is not a de Polignac number, because 16166313023 - 2¹² = 16166308927 is a prime.

It is a super-2 number, since 2×16166313023² (a number of 21 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 (16166312023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36983 + ... + 183576.

It is an arithmetic number, because the mean of its divisors is an integer number (1190141760).

Almost surely, 2^16166313023 is an apocalyptic number.

16166313023 is a deficient number, since it is larger than the sum of its proper divisors (2875955137).

16166313023 is a wasteful number, since it uses less digits than its factorization.

16166313023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220886.

The product of its (nonzero) digits is 11664, while the sum is 32.

Adding to 16166313023 its reverse (32031366161), we get a palindrome (48197679184).

The spelling of 16166313023 in words is "sixteen billion, one hundred sixty-six million, three hundred thirteen thousand, twenty-three".