2661598828 has 12 divisors (see below), whose sum is σ = 5323197712. Its totient is φ = 1140685200.

The previous prime is 2661598783. The next prime is 2661598853. The reversal of 2661598828 is 8288951662.

It is a happy number.

2661598828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2661598828 is an admirable number.

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, 47528523 + ... + 47528578.

Almost surely, 2^2661598828 is an apocalyptic number.

2661598828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2661598828 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.

2661598828 is a wasteful number, since it uses less digits than its factorization.

2661598828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95057112 (or 95057110 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 55.

The square root of 2661598828 is about 51590.6854771285. The cubic root of 2661598828 is about 1385.8435308568.

The spelling of 2661598828 in words is "two billion, six hundred sixty-one million, five hundred ninety-eight thousand, eight hundred twenty-eight".