2165098032 has 320 divisors, whose sum is σ = 6907494400. Its totient is φ = 646652160.

The previous prime is 2165098003. The next prime is 2165098049. The reversal of 2165098032 is 2308905612.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17047953 + ... + 17048079.

It is an arithmetic number, because the mean of its divisors is an integer number (21585920).

Almost surely, 2^2165098032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2165098032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3453747200).

2165098032 is an abundant number, since it is smaller than the sum of its proper divisors (4742396368).

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

2165098032 is a wasteful number, since it uses less digits than its factorization.

2165098032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2165098032 is about 46530.6139224489. The cubic root of 2165098032 is about 1293.6769943261.

The spelling of 2165098032 in words is "two billion, one hundred sixty-five million, ninety-eight thousand, thirty-two".