2666465 has 8 divisors (see below), whose sum is σ = 3303168. Its totient is φ = 2064240.

The previous prime is 2666453. The next prime is 2666491. The reversal of 2666465 is 5646662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2666465 is a prime.

It is a super-2 number, since 2×2666465² = 14220071192450, which contains 22 as substring.

It is a Duffinian 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, 8447 + ... + 8756.

It is an arithmetic number, because the mean of its divisors is an integer number (412896).

2^2666465 is an apocalyptic number.

It is an amenable number.

2666465 is a deficient number, since it is larger than the sum of its proper divisors (636703).

2666465 is a wasteful number, since it uses less digits than its factorization.

2666465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17239.

The product of its digits is 51840, while the sum is 35.

The square root of 2666465 is about 1632.9314131341. The cubic root of 2666465 is about 138.6687590856.

The spelling of 2666465 in words is "two million, six hundred sixty-six thousand, four hundred sixty-five".