2010645660 has 48 divisors (see below), whose sum is σ = 5725238400. Its totient is φ = 527083584.

The previous prime is 2010645649. The next prime is 2010645677. The reversal of 2010645660 is 665460102.

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

It is a congruent number.

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, 280450 + ... + 287529.

It is an arithmetic number, because the mean of its divisors is an integer number (119275800).

Almost surely, 2^2010645660 is an apocalyptic number.

2010645660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010645660 is an abundant number, since it is smaller than the sum of its proper divisors (3714592740).

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

2010645660 is a wasteful number, since it uses less digits than its factorization.

2010645660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568050 (or 568048 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2010645660 is about 44840.2236836526. The cubic root of 2010645660 is about 1262.1525437988.

The spelling of 2010645660 in words is "two billion, ten million, six hundred forty-five thousand, six hundred sixty".