2623242666 has 32 divisors (see below), whose sum is σ = 5746277376. Its totient is φ = 791750000.

The previous prime is 2623242659. The next prime is 2623242691. The reversal of 2623242666 is 6662423262.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62610 + ... + 95741.

It is an arithmetic number, because the mean of its divisors is an integer number (179571168).

Almost surely, 2^2623242666 is an apocalyptic number.

2623242666 is an abundant number, since it is smaller than the sum of its proper divisors (3123034710).

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

2623242666 is a wasteful number, since it uses less digits than its factorization.

2623242666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158618.

The product of its digits is 248832, while the sum is 39.

The square root of 2623242666 is about 51217.6011347662. The cubic root of 2623242666 is about 1379.1541876453.

The spelling of 2623242666 in words is "two billion, six hundred twenty-three million, two hundred forty-two thousand, six hundred sixty-six".