2668998662 has 16 divisors (see below), whose sum is σ = 4368313152. Its totient is φ = 1212942120.

The previous prime is 2668998659. The next prime is 2668998671.

2668998662 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2668998595 and 2668998604.

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, 152453 + ... + 169055.

It is an arithmetic number, because the mean of its divisors is an integer number (273019572).

Almost surely, 2^2668998662 is an apocalyptic number.

2668998662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2668998662 is a deficient number, since it is larger than the sum of its proper divisors (1699314490).

2668998662 is a wasteful number, since it uses less digits than its factorization.

2668998662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23923.

The product of its digits is 26873856, while the sum is 62.

The square root of 2668998662 is about 51662.3524628912. The cubic root of 2668998662 is about 1387.1266597400.

The spelling of 2668998662 in words is "two billion, six hundred sixty-eight million, nine hundred ninety-eight thousand, six hundred sixty-two".