16316602551 has 32 divisors (see below), whose sum is σ = 24428152320. Its totient is φ = 10762984512.

The previous prime is 16316602541. The next prime is 16316602553. The reversal of 16316602551 is 15520661361.

16316602551 is a `hidden beast` number, since 16 + 31 + 6 + 60 + 2 + 551 = 666.

It is not a de Polignac number, because 16316602551 - 2¹⁵ = 16316569783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16316602553) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5318520 + ... + 5321586.

It is an arithmetic number, because the mean of its divisors is an integer number (763379760).

Almost surely, 2^16316602551 is an apocalyptic number.

16316602551 is a deficient number, since it is larger than the sum of its proper divisors (8111549769).

16316602551 is a wasteful number, since it uses less digits than its factorization.

16316602551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092 (or 5086 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 16316602551 in words is "sixteen billion, three hundred sixteen million, six hundred two thousand, five hundred fifty-one".