2660020451 has 8 divisors (see below), whose sum is σ = 2904247344. Its totient is φ = 2416194720.

The previous prime is 2660020439. The next prime is 2660020453. The reversal of 2660020451 is 1540200662.

2660020451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660020451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2660020451.

It is not an unprimeable number, because it can be changed into a prime (2660020453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86336 + ... + 113021.

It is an arithmetic number, because the mean of its divisors is an integer number (363030918).

Almost surely, 2^2660020451 is an apocalyptic number.

2660020451 is a deficient number, since it is larger than the sum of its proper divisors (244226893).

2660020451 is a wasteful number, since it uses less digits than its factorization.

2660020451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200581.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2660020451 is about 51575.3860964705. The cubic root of 2660020451 is about 1385.5695331302.

The spelling of 2660020451 in words is "two billion, six hundred sixty million, twenty thousand, four hundred fifty-one".