5772105661 has 16 divisors (see below), whose sum is σ = 6693752448. Its totient is φ = 4875192000.

The previous prime is 5772105631. The next prime is 5772105679. The reversal of 5772105661 is 1665012775.

It is a happy number.

It is not a de Polignac number, because 5772105661 - 2²³ = 5763717053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5772105601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129831 + ... + 168523.

It is an arithmetic number, because the mean of its divisors is an integer number (418359528).

Almost surely, 2^5772105661 is an apocalyptic number.

It is an amenable number.

5772105661 is a deficient number, since it is larger than the sum of its proper divisors (921646787).

5772105661 is a wasteful number, since it uses less digits than its factorization.

5772105661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39012.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 5772105661 is about 75974.3750286898. The cubic root of 5772105661 is about 1793.8168154143.

The spelling of 5772105661 in words is "five billion, seven hundred seventy-two million, one hundred five thousand, six hundred sixty-one".