16876171764 has 18 divisors (see below), whose sum is σ = 42659212050. Its totient is φ = 5625390576.

The previous prime is 16876171751. The next prime is 16876171771. The reversal of 16876171764 is 46717167861.

It is a happy number.

16876171764 is a `hidden beast` number, since 1 + 6 + 8 + 7 + 617 + 17 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10681222500 + 6194949264 = 103350^2 + 78708^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 16876171764.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234391239 + ... + 234391310.

It is an arithmetic number, because the mean of its divisors is an integer number (2369956225).

Almost surely, 2^16876171764 is an apocalyptic number.

It is an amenable number.

16876171764 is an abundant number, since it is smaller than the sum of its proper divisors (25783040286).

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

16876171764 is a wasteful number, since it uses less digits than its factorization.

16876171764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468782559 (or 468782554 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The spelling of 16876171764 in words is "sixteen billion, eight hundred seventy-six million, one hundred seventy-one thousand, seven hundred sixty-four".