2663521072 has 80 divisors (see below), whose sum is σ = 5563929600. Its totient is φ = 1231946496.

The previous prime is 2663521039. The next prime is 2663521097. The reversal of 2663521072 is 2701253662.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2709093 + ... + 2710075.

It is an arithmetic number, because the mean of its divisors is an integer number (69549120).

Almost surely, 2^2663521072 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 2663521072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781964800).

2663521072 is an abundant number, since it is smaller than the sum of its proper divisors (2900408528).

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

2663521072 is a wasteful number, since it uses less digits than its factorization.

2663521072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2663521072 is about 51609.3118729556. The cubic root of 2663521072 is about 1386.1770757838.

The spelling of 2663521072 in words is "two billion, six hundred sixty-three million, five hundred twenty-one thousand, seventy-two".