2126660610 has 32 divisors (see below), whose sum is σ = 5138251200. Its totient is φ = 563302208.

The previous prime is 2126660609. The next prime is 2126660617. The reversal of 2126660610 is 160666212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2126660617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233412 + ... + 242351.

It is an arithmetic number, because the mean of its divisors is an integer number (160570350).

Almost surely, 2^2126660610 is an apocalyptic number.

2126660610 is an abundant number, since it is smaller than the sum of its proper divisors (3011590590).

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

2126660610 is a wasteful number, since it uses less digits than its factorization.

2126660610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475922.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2126660610 is about 46115.7306133168. The cubic root of 2126660610 is about 1285.9756019290.

The spelling of 2126660610 in words is "two billion, one hundred twenty-six million, six hundred sixty thousand, six hundred ten".