15766766164 has 12 divisors (see below), whose sum is σ = 27901862100. Its totient is φ = 7794805568.

The previous prime is 15766766131. The next prime is 15766766167. The reversal of 15766766164 is 46166766751.

15766766164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10293725764 + 5473040400 = 101458^2 + 73980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15766766167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22143979 + ... + 22144690.

It is an arithmetic number, because the mean of its divisors is an integer number (2325155175).

Almost surely, 2^15766766164 is an apocalyptic number.

It is an amenable number.

15766766164 is a deficient number, since it is larger than the sum of its proper divisors (12135095936).

15766766164 is a wasteful number, since it uses less digits than its factorization.

15766766164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44288762 (or 44288760 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 15766766164 in words is "fifteen billion, seven hundred sixty-six million, seven hundred sixty-six thousand, one hundred sixty-four".