2061701836416 has 48 divisors (see below), whose sum is σ = 5932761798210. Its totient is φ = 687233945088.

The previous prime is 2061701836409. The next prime is 2061701836499. The reversal of 2061701836416 is 6146381071602.

2061701836416 is a `hidden beast` number, since 2 + 0 + 617 + 0 + 18 + 3 + 6 + 4 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1791592958016 + 270108878400 = 1338504^2 + 519720^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2061701836416² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 894834715 + ... + 894837018.

Almost surely, 2^{2061701836416} is an apocalyptic number.

It is an amenable number.

2061701836416 is an abundant number, since it is smaller than the sum of its proper divisors (3871059961794).

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

2061701836416 is a wasteful number, since it uses less digits than its factorization.

2061701836416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789671753 (or 1789671738 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 2061701836416 in words is "two trillion, sixty-one billion, seven hundred one million, eight hundred thirty-six thousand, four hundred sixteen".