2666512798 has 8 divisors (see below), whose sum is σ = 4235049792. Its totient is φ = 1254829536.

The previous prime is 2666512757. The next prime is 2666512819. The reversal of 2666512798 is 8972156662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2666512798² = 14220581003795577608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39213390 + ... + 39213457.

It is an arithmetic number, because the mean of its divisors is an integer number (529381224).

Almost surely, 2^2666512798 is an apocalyptic number.

2666512798 is a deficient number, since it is larger than the sum of its proper divisors (1568536994).

2666512798 is a wasteful number, since it uses less digits than its factorization.

2666512798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78426866.

The product of its digits is 2177280, while the sum is 52.

The square root of 2666512798 is about 51638.2881009818. The cubic root of 2666512798 is about 1386.6958765446.

The spelling of 2666512798 in words is "two billion, six hundred sixty-six million, five hundred twelve thousand, seven hundred ninety-eight".