2666250451 has 16 divisors (see below), whose sum is σ = 2801226240. Its totient is φ = 2534772960.

The previous prime is 2666250443. The next prime is 2666250469. The reversal of 2666250451 is 1540526662.

It is a cyclic number.

It is not a de Polignac number, because 2666250451 - 2³ = 2666250443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2666250451.

It is not an unprimeable number, because it can be changed into a prime (2666250421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687780 + ... + 1689358.

It is an arithmetic number, because the mean of its divisors is an integer number (175076640).

Almost surely, 2^2666250451 is an apocalyptic number.

2666250451 is a deficient number, since it is larger than the sum of its proper divisors (134975789).

2666250451 is a wasteful number, since it uses less digits than its factorization.

2666250451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2666250451 is about 51635.7478013053. The cubic root of 2666250451 is about 1386.6503979911.

The spelling of 2666250451 in words is "two billion, six hundred sixty-six million, two hundred fifty thousand, four hundred fifty-one".