2665041516 has 72 divisors (see below), whose sum is σ = 7233486624. Its totient is φ = 824302080.

The previous prime is 2665041503. The next prime is 2665041541. The reversal of 2665041516 is 6151405662.

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 23 ways as a sum of consecutive naturals, for example, 12786 + ... + 74118.

It is an arithmetic number, because the mean of its divisors is an integer number (100465092).

Almost surely, 2^2665041516 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 2665041516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3616743312).

2665041516 is an abundant number, since it is smaller than the sum of its proper divisors (4568445108).

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

2665041516 is a wasteful number, since it uses less digits than its factorization.

2665041516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61431 (or 61426 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 2665041516 is about 51624.0400976134. The cubic root of 2665041516 is about 1386.4407873211.

The spelling of 2665041516 in words is "two billion, six hundred sixty-five million, forty-one thousand, five hundred sixteen".