5701166051661 has 24 divisors (see below), whose sum is σ = 8379742731360. Its totient is φ = 3734060376096.

The previous prime is 5701166051639. The next prime is 5701166051687. The reversal of 5701166051661 is 1661506611075.

5701166051661 is a `hidden beast` number, since 5 + 7 + 0 + 1 + 16 + 60 + 516 + 61 = 666.

It is not a de Polignac number, because 5701166051661 - 2⁵ = 5701166051629 is a prime.

It is a super-2 number, since 2×5701166051661² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5701166051761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2435590 + ... + 4163463.

It is an arithmetic number, because the mean of its divisors is an integer number (349155947140).

Almost surely, 2^{5701166051661} is an apocalyptic number.

It is an amenable number.

5701166051661 is a deficient number, since it is larger than the sum of its proper divisors (2678576679699).

5701166051661 is a wasteful number, since it uses less digits than its factorization.

5701166051661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600745 (or 6600742 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 5701166051661 in words is "five trillion, seven hundred one billion, one hundred sixty-six million, fifty-one thousand, six hundred sixty-one".