16194666876 has 24 divisors (see below), whose sum is σ = 37934596560. Its totient is φ = 5377216512.

The previous prime is 16194666737. The next prime is 16194666877. The reversal of 16194666876 is 67866649161.

It is a happy number.

It is a super-2 number, since 2×16194666876² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16194666877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2622511 + ... + 2628678.

It is an arithmetic number, because the mean of its divisors is an integer number (1580608190).

Almost surely, 2^16194666876 is an apocalyptic number.

It is an amenable number.

16194666876 is an abundant number, since it is smaller than the sum of its proper divisors (21739929684).

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

16194666876 is a wasteful number, since it uses less digits than its factorization.

16194666876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251453 (or 5251451 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

It can be divided in two parts, 161946 and 66876, that added together give a palindrome (228822).

The spelling of 16194666876 in words is "sixteen billion, one hundred ninety-four million, six hundred sixty-six thousand, eight hundred seventy-six".