2665522098 has 54 divisors (see below), whose sum is σ = 5933697471. Its totient is φ = 864777816.

The previous prime is 2665522087. The next prime is 2665522109. The reversal of 2665522098 is 8902255662.

2665522098 is a `hidden beast` number, since 2 + 6 + 6 + 552 + 2 + 0 + 98 = 666.

2665522098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2665522087) and next prime (2665522109).

It can be written as a sum of positive squares in only one way, i.e., 1332761049 + 1332761049 = 36507^2 + 36507^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=36507.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9418665 + ... + 9418947.

Almost surely, 2^2665522098 is an apocalyptic number.

2665522098 is an abundant number, since it is smaller than the sum of its proper divisors (3268175373).

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

2665522098 is an equidigital number, since it uses as much as digits as its factorization.

2665522098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 2665522098 is about 51628.6945215546. The cubic root of 2665522098 is about 1386.5241204119.

The spelling of 2665522098 in words is "two billion, six hundred sixty-five million, five hundred twenty-two thousand, ninety-eight".