2666260459974 has 16 divisors (see below), whose sum is σ = 5332693436208. Its totient is φ = 888724733952.

The previous prime is 2666260459963. The next prime is 2666260459991. The reversal of 2666260459974 is 4799540626662.

It is a Curzon number.

It is a congruent number.

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, 6986827 + ... + 7358550.

It is an arithmetic number, because the mean of its divisors is an integer number (333293339763).

Almost surely, 2^{2666260459974} is an apocalyptic number.

2666260459974 is an abundant number, since it is smaller than the sum of its proper divisors (2666432976234).

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

2666260459974 is a wasteful number, since it uses less digits than its factorization.

2666260459974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376359.

The product of its (nonzero) digits is 235146240, while the sum is 66.

The spelling of 2666260459974 in words is "two trillion, six hundred sixty-six billion, two hundred sixty million, four hundred fifty-nine thousand, nine hundred seventy-four".