15616116451 has 8 divisors (see below), whose sum is σ = 16818328800. Its totient is φ = 14414043072.

The previous prime is 15616116413. The next prime is 15616116491. The reversal of 15616116451 is 15461161651.

15616116451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 15616116451 - 2⁷ = 15616116323 is a prime.

It is a super-2 number, since 2×15616116451² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15616116451.

It is not an unprimeable number, because it can be changed into a prime (15616116491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402975 + ... + 440023.

It is an arithmetic number, because the mean of its divisors is an integer number (2102291100).

Almost surely, 2^15616116451 is an apocalyptic number.

15616116451 is a deficient number, since it is larger than the sum of its proper divisors (1202212349).

15616116451 is a wasteful number, since it uses less digits than its factorization.

15616116451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69485.

The product of its digits is 21600, while the sum is 37.

The spelling of 15616116451 in words is "fifteen billion, six hundred sixteen million, one hundred sixteen thousand, four hundred fifty-one".