4086355661 has 16 divisors (see below), whose sum is σ = 4250925888. Its totient is φ = 3925152000.

The previous prime is 4086355633. The next prime is 4086355673. The reversal of 4086355661 is 1665536804.

It is a cyclic number.

It is not a de Polignac number, because 4086355661 - 2¹⁴ = 4086339277 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 (4086355561) 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, 3401861 + ... + 3403061.

It is an arithmetic number, because the mean of its divisors is an integer number (265682868).

Almost surely, 2^4086355661 is an apocalyptic number.

It is an amenable number.

4086355661 is a deficient number, since it is larger than the sum of its proper divisors (164570227).

4086355661 is a wasteful number, since it uses less digits than its factorization.

4086355661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 4086355661 is about 63924.6091970847. The cubic root of 4086355661 is about 1598.7432397973.

The spelling of 4086355661 in words is "four billion, eighty-six million, three hundred fifty-five thousand, six hundred sixty-one".