45626668816 has 15 divisors (see below), whose sum is σ = 88403326293. Its totient is φ = 22812907200.

The previous prime is 45626668811. The next prime is 45626668921. The reversal of 45626668816 is 61886662654.

The square root of 45626668816 is 213604.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8207635216 + 37419033600 = 90596^2 + 193440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45626668811) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 827716 + ... + 881116.

Almost surely, 2^45626668816 is an apocalyptic number.

45626668816 is the 213604-th square number.

It is an amenable number.

45626668816 is a deficient number, since it is larger than the sum of its proper divisors (42776657477).

45626668816 is an frugal number, since it uses more digits than its factorization.

45626668816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106810 (or 53403 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The spelling of 45626668816 in words is "forty-five billion, six hundred twenty-six million, six hundred sixty-eight thousand, eight hundred sixteen".