2666063784 has 32 divisors (see below), whose sum is σ = 6672299040. Its totient is φ = 887736000.

The previous prime is 2666063761. The next prime is 2666063819. The reversal of 2666063784 is 4873606662.

It is a super-2 number, since 2×2666063784² = 14215792200712797312, which contains 22 as substring.

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, 36442 + ... + 81609.

It is an arithmetic number, because the mean of its divisors is an integer number (208509345).

Almost surely, 2^2666063784 is an apocalyptic number.

2666063784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2666063784 is an abundant number, since it is smaller than the sum of its proper divisors (4006235256).

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

2666063784 is a wasteful number, since it uses less digits than its factorization.

2666063784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119001 (or 118997 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 2666063784 is about 51633.9402331451. The cubic root of 2666063784 is about 1386.6180369513.

The spelling of 2666063784 in words is "two billion, six hundred sixty-six million, sixty-three thousand, seven hundred eighty-four".