16461258651 has 6 divisors (see below), whose sum is σ = 23777373620. Its totient is φ = 10974172428.

The previous prime is 16461258647. The next prime is 16461258679. The reversal of 16461258651 is 15685216461.

16461258651 is a `hidden beast` number, since 1 + 6 + 4 + 6 + 12 + 586 + 51 = 666.

It is not a de Polignac number, because 16461258651 - 2² = 16461258647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16461258597 and 16461258606.

It is not an unprimeable number, because it can be changed into a prime (16461258641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 914514361 + ... + 914514378.

Almost surely, 2^16461258651 is an apocalyptic number.

16461258651 is a deficient number, since it is larger than the sum of its proper divisors (7316114969).

16461258651 is a wasteful number, since it uses less digits than its factorization.

16461258651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829028745 (or 1829028742 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 16461258651 in words is "sixteen billion, four hundred sixty-one million, two hundred fifty-eight thousand, six hundred fifty-one".