2665003632 has 80 divisors (see below), whose sum is σ = 7000801920. Its totient is φ = 873467136.

The previous prime is 2665003613. The next prime is 2665003643. The reversal of 2665003632 is 2363005662.

It is a junction number, because it is equal to n+sod(n) for n = 2665003593 and 2665003602.

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 15 ways as a sum of consecutive naturals, for example, 712038 + ... + 715770.

It is an arithmetic number, because the mean of its divisors is an integer number (87510024).

Almost surely, 2^2665003632 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 2665003632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3500400960).

2665003632 is an abundant number, since it is smaller than the sum of its proper divisors (4335798288).

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

2665003632 is a wasteful number, since it uses less digits than its factorization.

2665003632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990 (or 3984 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 2665003632 is about 51623.6731742328. The cubic root of 2665003632 is about 1386.4342177960.

The spelling of 2665003632 in words is "two billion, six hundred sixty-five million, three thousand, six hundred thirty-two".