2061125101656 has 128 divisors (see below), whose sum is σ = 5733767232000. Its totient is φ = 686032281216.

The previous prime is 2061125101559. The next prime is 2061125101669. The reversal of 2061125101656 is 6561015211602.

2061125101656 is a `hidden beast` number, since 2 + 0 + 611 + 25 + 1 + 0 + 16 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2061125101656.

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, 799194175 + ... + 799196753.

It is an arithmetic number, because the mean of its divisors is an integer number (44795056500).

Almost surely, 2^{2061125101656} is an apocalyptic number.

It is an amenable number.

2061125101656 is an abundant number, since it is smaller than the sum of its proper divisors (3672642130344).

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

2061125101656 is a wasteful number, since it uses less digits than its factorization.

2061125101656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598 (or 6588 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 2061125101656 in words is "two trillion, sixty-one billion, one hundred twenty-five million, one hundred one thousand, six hundred fifty-six".