2661611092 has 12 divisors (see below), whose sum is σ = 5323222240. Its totient is φ = 1140690456.

The previous prime is 2661611089. The next prime is 2661611107. The reversal of 2661611092 is 2901161662.

2661611092 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47528742 + ... + 47528797.

Almost surely, 2^2661611092 is an apocalyptic number.

It is an amenable number.

2661611092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2661611092 is a wasteful number, since it uses less digits than its factorization.

2661611092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95057550 (or 95057548 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2661611092 is about 51590.8043356566. The cubic root of 2661611092 is about 1385.8456593968.

The spelling of 2661611092 in words is "two billion, six hundred sixty-one million, six hundred eleven thousand, ninety-two".