5166807657 has 8 divisors (see below), whose sum is σ = 7515356640. Its totient is φ = 3131398560.

The previous prime is 5166807629. The next prime is 5166807689. The reversal of 5166807657 is 7567086615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5166807657 - 2¹² = 5166803561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5166807257) 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, 78284932 + ... + 78284997.

It is an arithmetic number, because the mean of its divisors is an integer number (939419580).

Almost surely, 2^5166807657 is an apocalyptic number.

It is an amenable number.

5166807657 is a deficient number, since it is larger than the sum of its proper divisors (2348548983).

5166807657 is a wasteful number, since it uses less digits than its factorization.

5166807657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156569943.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 5166807657 is about 71880.5095766578. The cubic root of 5166807657 is about 1728.7841208748.

The spelling of 5166807657 in words is "five billion, one hundred sixty-six million, eight hundred seven thousand, six hundred fifty-seven".