2666573064 has 48 divisors (see below), whose sum is σ = 7237861020. Its totient is φ = 886901760.

The previous prime is 2666573033. The next prime is 2666573071. The reversal of 2666573064 is 4603756662.

It can be written as a sum of positive squares in 2 ways, for example, as 2535928164 + 130644900 = 50358^2 + 11430^2 .

It is a super-2 number, since 2×2666573064² = 14221223811300696192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7617 + ... + 73424.

Almost surely, 2^2666573064 is an apocalyptic number.

2666573064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2666573064 is an abundant number, since it is smaller than the sum of its proper divisors (4571287956).

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

2666573064 is a wasteful number, since it uses less digits than its factorization.

2666573064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81510 (or 81503 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The square root of 2666573064 is about 51638.8716375561. The cubic root of 2666573064 is about 1386.7063233954.

The spelling of 2666573064 in words is "two billion, six hundred sixty-six million, five hundred seventy-three thousand, sixty-four".