2660626266 has 32 divisors (see below), whose sum is σ = 5470927488. Its totient is φ = 861981120.

The previous prime is 2660626237. The next prime is 2660626291. The reversal of 2660626266 is 6626260662.

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, 218971 + ... + 230801.

It is an arithmetic number, because the mean of its divisors is an integer number (170966484).

Almost surely, 2^2660626266 is an apocalyptic number.

2660626266 is an abundant number, since it is smaller than the sum of its proper divisors (2810301222).

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

2660626266 is a wasteful number, since it uses less digits than its factorization.

2660626266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12886.

The product of its (nonzero) digits is 373248, while the sum is 42.

The square root of 2660626266 is about 51581.2588640487. The cubic root of 2660626266 is about 1385.6747121575.

The spelling of 2660626266 in words is "two billion, six hundred sixty million, six hundred twenty-six thousand, two hundred sixty-six".