16277667625045 has 4 divisors (see below), whose sum is σ = 19533201150060. Its totient is φ = 13022134100032.

The previous prime is 16277667625039. The next prime is 16277667625061. The reversal of 16277667625045 is 54052676677261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2407242237841 + 13870425387204 = 1551529^2 + 3724302^2 .

It is a cyclic number.

It is not a de Polignac number, because 16277667625045 - 2²⁵ = 16277634070613 is a prime.

It is a super-2 number, since 2×16277667625045² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627766762500 + ... + 1627766762509.

It is an arithmetic number, because the mean of its divisors is an integer number (4883300287515).

Almost surely, 2^{16277667625045} is an apocalyptic number.

It is an amenable number.

16277667625045 is a deficient number, since it is larger than the sum of its proper divisors (3255533525015).

16277667625045 is an equidigital number, since it uses as much as digits as its factorization.

16277667625045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255533525014.

The product of its (nonzero) digits is 177811200, while the sum is 64.

The spelling of 16277667625045 in words is "sixteen trillion, two hundred seventy-seven billion, six hundred sixty-seven million, six hundred twenty-five thousand, forty-five".