2665775662 has 16 divisors (see below), whose sum is σ = 4444485552. Its totient is φ = 1188853120.

The previous prime is 2665775659. The next prime is 2665775683.

2665775662 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2665775662² = 14212719760223076488, which contains 22 as substring.

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, 1141963 + ... + 1144294.

It is an arithmetic number, because the mean of its divisors is an integer number (277780347).

Almost surely, 2^2665775662 is an apocalyptic number.

2665775662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2665775662 is a deficient number, since it is larger than the sum of its proper divisors (1778709890).

2665775662 is a wasteful number, since it uses less digits than its factorization.

2665775662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286323.

The product of its digits is 6350400, while the sum is 52.

The square root of 2665775662 is about 51631.1501130858. The cubic root of 2665775662 is about 1386.5680844637.

The spelling of 2665775662 in words is "two billion, six hundred sixty-five million, seven hundred seventy-five thousand, six hundred sixty-two".