2471617668 has 24 divisors (see below), whose sum is σ = 6210731968. Its totient is φ = 760497696.

The previous prime is 2471617667. The next prime is 2471617691. The reversal of 2471617668 is 8667161742.

It is a super-2 number, since 2×2471617668² = 12217787793539516448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2471617661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7921696 + ... + 7922007.

Almost surely, 2^2471617668 is an apocalyptic number.

It is an amenable number.

2471617668 is an abundant number, since it is smaller than the sum of its proper divisors (3739114300).

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

2471617668 is a wasteful number, since it uses less digits than its factorization.

2471617668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15843723 (or 15843721 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 2471617668 is about 49715.3665178082. The cubic root of 2471617668 is about 1352.0531480397.

The spelling of 2471617668 in words is "two billion, four hundred seventy-one million, six hundred seventeen thousand, six hundred sixty-eight".