2630465666 has 8 divisors (see below), whose sum is σ = 3990032460. Its totient is φ = 1300454848.

The previous prime is 2630465657. The next prime is 2630465671. The reversal of 2630465666 is 6665640362.

It can be written as a sum of positive squares in 2 ways, for example, as 2562485641 + 67980025 = 50621^2 + 8245^2 .

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

It is a super-3 number, since 3×2630465666³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7388771 + ... + 7389126.

Almost surely, 2^2630465666 is an apocalyptic number.

2630465666 is a deficient number, since it is larger than the sum of its proper divisors (1359566794).

2630465666 is a wasteful number, since it uses less digits than its factorization.

2630465666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14777988.

The product of its (nonzero) digits is 933120, while the sum is 44.

The square root of 2630465666 is about 51288.0655318564. The cubic root of 2630465666 is about 1380.4188440182.

The spelling of 2630465666 in words is "two billion, six hundred thirty million, four hundred sixty-five thousand, six hundred sixty-six".