16166973764 has 12 divisors (see below), whose sum is σ = 29781267600. Its totient is φ = 7658040168.

The previous prime is 16166973763. The next prime is 16166973793. The reversal of 16166973764 is 46737966161.

It is a super-2 number, since 2×16166973764² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16166973763) 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, 106361594 + ... + 106361745.

It is an arithmetic number, because the mean of its divisors is an integer number (2481772300).

Almost surely, 2^16166973764 is an apocalyptic number.

It is an amenable number.

16166973764 is a deficient number, since it is larger than the sum of its proper divisors (13614293836).

16166973764 is a wasteful number, since it uses less digits than its factorization.

16166973764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212723362 (or 212723360 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 56.

The spelling of 16166973764 in words is "sixteen billion, one hundred sixty-six million, nine hundred seventy-three thousand, seven hundred sixty-four".