6390657171 has 12 divisors (see below), whose sum is σ = 9235025800. Its totient is φ = 4258556640.

The previous prime is 6390657151. The next prime is 6390657191. The reversal of 6390657171 is 1717560936.

6390657171 is a `hidden beast` number, since 6 + 3 + 9 + 0 + 6 + 571 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (6390657151) and next prime (6390657191).

It is not a de Polignac number, because 6390657171 - 2⁵ = 6390657139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6390657101) 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, 135121 + ... + 176178.

Almost surely, 2^6390657171 is an apocalyptic number.

6390657171 is a deficient number, since it is larger than the sum of its proper divisors (2844368629).

6390657171 is a wasteful number, since it uses less digits than its factorization.

6390657171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313586 (or 313583 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 6390657171 is about 79941.5859925233. The cubic root of 6390657171 is about 1855.7316440738.

The spelling of 6390657171 in words is "six billion, three hundred ninety million, six hundred fifty-seven thousand, one hundred seventy-one".