2052168666870 has 64 divisors (see below), whose sum is σ = 5658275782656. Its totient is φ = 466611265920.

The previous prime is 2052168666859. The next prime is 2052168666907. The reversal of 2052168666870 is 786668612502.

It is a super-2 number, since 2×2052168666870² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2052168666870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25541649 + ... + 25621868.

It is an arithmetic number, because the mean of its divisors is an integer number (88410559104).

Almost surely, 2^{2052168666870} is an apocalyptic number.

2052168666870 is an abundant number, since it is smaller than the sum of its proper divisors (3606107115786).

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

2052168666870 is a wasteful number, since it uses less digits than its factorization.

2052168666870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51163725.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 2052168666870 in words is "two trillion, fifty-two billion, one hundred sixty-eight million, six hundred sixty-six thousand, eight hundred seventy".