2666666962928 has 20 divisors (see below), whose sum is σ = 5174231928408. Its totient is φ = 1331381304000.

The previous prime is 2666666962913. The next prime is 2666666962951. The reversal of 2666666962928 is 8292696666662.

It is a happy number.

It is a super-2 number, since 2×2666666962928² (a number of 26 digits) 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, 121999823 + ... + 122021678.

Almost surely, 2^{2666666962928} is an apocalyptic number.

It is an amenable number.

2666666962928 is a deficient number, since it is larger than the sum of its proper divisors (2507564965480).

2666666962928 is a wasteful number, since it uses less digits than its factorization.

2666666962928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244022192 (or 244022186 counting only the distinct ones).

The product of its digits is 1451188224, while the sum is 74.

The spelling of 2666666962928 in words is "two trillion, six hundred sixty-six billion, six hundred sixty-six million, nine hundred sixty-two thousand, nine hundred twenty-eight".