2455313666 has 16 divisors (see below), whose sum is σ = 4010844600. Its totient is φ = 1120487808.

The previous prime is 2455313657. The next prime is 2455313671. The reversal of 2455313666 is 6663135542.

It can be written as a sum of positive squares in 4 ways, for example, as 2127884641 + 327429025 = 46129^2 + 18095^2 .

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, 528221 + ... + 532848.

Almost surely, 2^2455313666 is an apocalyptic number.

2455313666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2455313666 is a deficient number, since it is larger than the sum of its proper divisors (1555530934).

2455313666 is a wasteful number, since it uses less digits than its factorization.

2455313666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061173.

The product of its digits is 388800, while the sum is 41.

The square root of 2455313666 is about 49551.1217431049. The cubic root of 2455313666 is about 1349.0736518345.

The spelling of 2455313666 in words is "two billion, four hundred fifty-five million, three hundred thirteen thousand, six hundred sixty-six".