6580171397 has 4 divisors (see below), whose sum is σ = 6585518016. Its totient is φ = 6574824780.

The previous prime is 6580171393. The next prime is 6580171399. The reversal of 6580171397 is 7931710856.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6580171397 - 2² = 6580171393 is a prime.

It is a super-2 number, since 2×6580171397² = 86597311227793863218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6580171391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2671463 + ... + 2673924.

It is an arithmetic number, because the mean of its divisors is an integer number (1646379504).

Almost surely, 2^6580171397 is an apocalyptic number.

It is an amenable number.

6580171397 is a deficient number, since it is larger than the sum of its proper divisors (5346619).

6580171397 is a wasteful number, since it uses less digits than its factorization.

6580171397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346618.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 6580171397 is about 81118.2556333653. The cubic root of 6580171397 is about 1873.8970838240.

The spelling of 6580171397 in words is "six billion, five hundred eighty million, one hundred seventy-one thousand, three hundred ninety-seven".