4425451566 has 16 divisors (see below), whose sum is σ = 8854702464. Its totient is φ = 1474517304.

The previous prime is 4425451549. The next prime is 4425451571. The reversal of 4425451566 is 6651545244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143050 + ... + 171213.

It is an arithmetic number, because the mean of its divisors is an integer number (553418904).

Almost surely, 2^4425451566 is an apocalyptic number.

4425451566 is an abundant number, since it is smaller than the sum of its proper divisors (4429250898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4425451566 is a wasteful number, since it uses less digits than its factorization.

4425451566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316615.

The product of its digits is 576000, while the sum is 42.

The square root of 4425451566 is about 66524.0675695646. The cubic root of 4425451566 is about 1641.7960155044.

The spelling of 4425451566 in words is "four billion, four hundred twenty-five million, four hundred fifty-one thousand, five hundred sixty-six".