2660529745 has 8 divisors (see below), whose sum is σ = 3302726760. Its totient is φ = 2055029760.

The previous prime is 2660529737. The next prime is 2660529769. The reversal of 2660529745 is 5479250662.

2660529745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 808776721 + 1851753024 = 28439^2 + 43032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2660529745 - 2³ = 2660529737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660529695 and 2660529704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9174096 + ... + 9174385.

It is an arithmetic number, because the mean of its divisors is an integer number (412840845).

Almost surely, 2^2660529745 is an apocalyptic number.

It is an amenable number.

2660529745 is a deficient number, since it is larger than the sum of its proper divisors (642197015).

2660529745 is a wasteful number, since it uses less digits than its factorization.

2660529745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348515.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 2660529745 is about 51580.3232347375. The cubic root of 2660529745 is about 1385.6579556608.

The spelling of 2660529745 in words is "two billion, six hundred sixty million, five hundred twenty-nine thousand, seven hundred forty-five".