16512312634 has 8 divisors (see below), whose sum is σ = 26072072640. Its totient is φ = 7821621756.

The previous prime is 16512312613. The next prime is 16512312727. The reversal of 16512312634 is 43621321561.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16512312634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217267234 + ... + 217267309.

It is an arithmetic number, because the mean of its divisors is an integer number (3259009080).

Almost surely, 2^16512312634 is an apocalyptic number.

16512312634 is a deficient number, since it is larger than the sum of its proper divisors (9559760006).

16512312634 is a wasteful number, since it uses less digits than its factorization.

16512312634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434534564.

The product of its digits is 25920, while the sum is 34.

The spelling of 16512312634 in words is "sixteen billion, five hundred twelve million, three hundred twelve thousand, six hundred thirty-four".