16512425651 has 8 divisors (see below), whose sum is σ = 16612980384. Its totient is φ = 16411973760.

The previous prime is 16512425647. The next prime is 16512425753. The reversal of 16512425651 is 15652421561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16512425651 - 2² = 16512425647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16512428651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309611 + ... + 359003.

It is an arithmetic number, because the mean of its divisors is an integer number (2076622548).

Almost surely, 2^16512425651 is an apocalyptic number.

16512425651 is a deficient number, since it is larger than the sum of its proper divisors (100554733).

16512425651 is a wasteful number, since it uses less digits than its factorization.

16512425651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51421.

The product of its digits is 72000, while the sum is 38.

The spelling of 16512425651 in words is "sixteen billion, five hundred twelve million, four hundred twenty-five thousand, six hundred fifty-one".