16766621092 has 48 divisors (see below), whose sum is σ = 33176324160. Its totient is φ = 7360036992.

The previous prime is 16766621021. The next prime is 16766621099. The reversal of 16766621092 is 29012666761.

It is a super-2 number, since 2×16766621092² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16766621099) 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, 18063 + ... + 184009.

It is an arithmetic number, because the mean of its divisors is an integer number (691173420).

Almost surely, 2^16766621092 is an apocalyptic number.

It is an amenable number.

16766621092 is a deficient number, since it is larger than the sum of its proper divisors (16409703068).

16766621092 is a wasteful number, since it uses less digits than its factorization.

16766621092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166060 (or 166058 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 16766621092 in words is "sixteen billion, seven hundred sixty-six million, six hundred twenty-one thousand, ninety-two".