16451515045 has 24 divisors (see below), whose sum is σ = 23453604864. Its totient is φ = 11041009056.

The previous prime is 16451515037. The next prime is 16451515057. The reversal of 16451515045 is 54051515461.

16451515045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16451515045 - 2³ = 16451515037 is a prime.

It is a super-2 number, since 2×16451515045² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16451514995 and 16451515013.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 702837 + ... + 725866.

It is an arithmetic number, because the mean of its divisors is an integer number (977233536).

Almost surely, 2^16451515045 is an apocalyptic number.

It is an amenable number.

16451515045 is a deficient number, since it is larger than the sum of its proper divisors (7002089819).

16451515045 is a wasteful number, since it uses less digits than its factorization.

16451515045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428769 (or 1428762 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 16451515045 in words is "sixteen billion, four hundred fifty-one million, five hundred fifteen thousand, forty-five".