16407056707 has 4 divisors (see below), whose sum is σ = 16424273880. Its totient is φ = 16389839536.

The previous prime is 16407056689. The next prime is 16407056761. The reversal of 16407056707 is 70765070461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16407056707 - 2¹⁵ = 16407023939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16407156707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8607157 + ... + 8609062.

It is an arithmetic number, because the mean of its divisors is an integer number (4106068470).

Almost surely, 2^16407056707 is an apocalyptic number.

16407056707 is a deficient number, since it is larger than the sum of its proper divisors (17217173).

16407056707 is an equidigital number, since it uses as much as digits as its factorization.

16407056707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17217172.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 16407056707 in words is "sixteen billion, four hundred seven million, fifty-six thousand, seven hundred seven".