8166379637 has 12 divisors (see below), whose sum is σ = 8845551684. Its totient is φ = 7535923200.

The previous prime is 8166379597. The next prime is 8166379643. The reversal of 8166379637 is 7369736618.

It can be written as a sum of positive squares in 6 ways, for example, as 1629010321 + 6537369316 = 40361^2 + 80854^2 .

It is not a de Polignac number, because 8166379637 - 2¹⁸ = 8166117493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166339637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857333 + ... + 866805.

It is an arithmetic number, because the mean of its divisors is an integer number (737129307).

Almost surely, 2^8166379637 is an apocalyptic number.

It is an amenable number.

8166379637 is a deficient number, since it is larger than the sum of its proper divisors (679172047).

8166379637 is a wasteful number, since it uses less digits than its factorization.

8166379637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600 (or 14587 counting only the distinct ones).

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

The square root of 8166379637 is about 90368.0233102396. The cubic root of 8166379637 is about 2013.7699464590.

The spelling of 8166379637 in words is "eight billion, one hundred sixty-six million, three hundred seventy-nine thousand, six hundred thirty-seven".