5905956661 has 8 divisors (see below), whose sum is σ = 6650696448. Its totient is φ = 5195856000.

The previous prime is 5905956659. The next prime is 5905956677. The reversal of 5905956661 is 1666595095.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5905956661 - 2¹ = 5905956659 is a prime.

It is a super-2 number, since 2×5905956661² = 69760648163220537842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5905956599 and 5905956608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5905956631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8659420 + ... + 8660101.

It is an arithmetic number, because the mean of its divisors is an integer number (831337056).

Almost surely, 2^5905956661 is an apocalyptic number.

It is an amenable number.

5905956661 is a deficient number, since it is larger than the sum of its proper divisors (744739787).

5905956661 is a wasteful number, since it uses less digits than its factorization.

5905956661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17319563.

The product of its (nonzero) digits is 2187000, while the sum is 52.

The square root of 5905956661 is about 76850.2222573234. Note that the first 4 decimals coincide. The cubic root of 5905956661 is about 1807.5767721874.

The spelling of 5905956661 in words is "five billion, nine hundred five million, nine hundred fifty-six thousand, six hundred sixty-one".