16451307045 has 24 divisors (see below), whose sum is σ = 28526538456. Its totient is φ = 8770664448.

The previous prime is 16451307029. The next prime is 16451307097. The reversal of 16451307045 is 54070315461.

16451307045 is a `hidden beast` number, since 1 + 645 + 1 + 3 + 0 + 7 + 0 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3382701921 + 13068605124 = 58161^2 + 114318^2 .

It is not a de Polignac number, because 16451307045 - 2⁴ = 16451307029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50769 + ... + 188361.

It is an arithmetic number, because the mean of its divisors is an integer number (1188605769).

Almost surely, 2^16451307045 is an apocalyptic number.

16451307045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16451307045 is a deficient number, since it is larger than the sum of its proper divisors (12075231411).

16451307045 is a wasteful number, since it uses less digits than its factorization.

16451307045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140261 (or 140258 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 16451307045 in words is "sixteen billion, four hundred fifty-one million, three hundred seven thousand, forty-five".