2100764164668 has 48 divisors (see below), whose sum is σ = 5283953897376. Its totient is φ = 645763184640.

The previous prime is 2100764164651. The next prime is 2100764164699. The reversal of 2100764164668 is 8664614670012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100764164668.

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, 6356973 + ... + 6679268.

It is an arithmetic number, because the mean of its divisors is an integer number (110082372862).

Almost surely, 2^{2100764164668} is an apocalyptic number.

It is an amenable number.

2100764164668 is an abundant number, since it is smaller than the sum of its proper divisors (3183189732708).

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

2100764164668 is a wasteful number, since it uses less digits than its factorization.

2100764164668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13037294 (or 13037292 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 2100764164668 in words is "two trillion, one hundred billion, seven hundred sixty-four million, one hundred sixty-four thousand, six hundred sixty-eight".