6451617316 has 12 divisors (see below), whose sum is σ = 11552896432. Its totient is φ = 3150789768.

The previous prime is 6451617301. The next prime is 6451617329. The reversal of 6451617316 is 6137161546.

It is a super-2 number, since 2×6451617316² = 83246731984222087712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18754530 + ... + 18754873.

Almost surely, 2^6451617316 is an apocalyptic number.

It is an amenable number.

6451617316 is a deficient number, since it is larger than the sum of its proper divisors (5101279116).

6451617316 is a wasteful number, since it uses less digits than its factorization.

6451617316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37509450 (or 37509448 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 6451617316 is about 80321.9603595430. The cubic root of 6451617316 is about 1861.6135568565.

The spelling of 6451617316 in words is "six billion, four hundred fifty-one million, six hundred seventeen thousand, three hundred sixteen".