2661314328 has 48 divisors (see below), whose sum is σ = 7212399480. Its totient is φ = 886529664.

The previous prime is 2661314297. The next prime is 2661314389. The reversal of 2661314328 is 8234131662.

2661314328 is a `hidden beast` number, since 2 + 6 + 613 + 1 + 4 + 32 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2661314292 and 2661314301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108151 + ... + 130457.

Almost surely, 2^2661314328 is an apocalyptic number.

It is an amenable number.

2661314328 is an abundant number, since it is smaller than the sum of its proper divisors (4551085152).

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

2661314328 is a wasteful number, since it uses less digits than its factorization.

2661314328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23976 (or 23969 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2661314328 is about 51587.9281227692. The cubic root of 2661314328 is about 1385.7941511970.

The spelling of 2661314328 in words is "two billion, six hundred sixty-one million, three hundred fourteen thousand, three hundred twenty-eight".