6366651315451 has 24 divisors (see below), whose sum is σ = 7486484403024. Its totient is φ = 5398168688640.

The previous prime is 6366651315449. The next prime is 6366651315611. The reversal of 6366651315451 is 1545131566636.

It is not a de Polignac number, because 6366651315451 - 2¹ = 6366651315449 is a prime.

It is a super-2 number, since 2×6366651315451² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6366651315421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424731 + ... + 3593563.

It is an arithmetic number, because the mean of its divisors is an integer number (311936850126).

Almost surely, 2^{6366651315451} is an apocalyptic number.

6366651315451 is a deficient number, since it is larger than the sum of its proper divisors (1119833087573).

6366651315451 is a wasteful number, since it uses less digits than its factorization.

6366651315451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169291 (or 3169284 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 52.

The spelling of 6366651315451 in words is "six trillion, three hundred sixty-six billion, six hundred fifty-one million, three hundred fifteen thousand, four hundred fifty-one".