16677777460225 has 24 divisors (see below), whose sum is σ = 23649556117248. Its totient is φ = 11429046912000.

The previous prime is 16677777460217. The next prime is 16677777460237. The reversal of 16677777460225 is 52206477777661.

It is not a de Polignac number, because 16677777460225 - 2³ = 16677777460217 is a prime.

It is a super-2 number, since 2×16677777460225² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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, 29482969 + ... + 30043318.

It is an arithmetic number, because the mean of its divisors is an integer number (985398171552).

Almost surely, 2^{16677777460225} is an apocalyptic number.

It is an amenable number.

16677777460225 is a deficient number, since it is larger than the sum of its proper divisors (6971778657023).

16677777460225 is a wasteful number, since it uses less digits than its factorization.

16677777460225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59527905 (or 59527900 counting only the distinct ones).

The product of its (nonzero) digits is 290424960, while the sum is 67.

The spelling of 16677777460225 in words is "sixteen trillion, six hundred seventy-seven billion, seven hundred seventy-seven million, four hundred sixty thousand, two hundred twenty-five".