6122055661 has 8 divisors (see below), whose sum is σ = 6150938040. Its totient is φ = 6093196032.

The previous prime is 6122055649. The next prime is 6122055673. The reversal of 6122055661 is 1665502216.

It is an interprime number because it is at equal distance from previous prime (6122055649) and next prime (6122055673).

It can be written as a sum of positive squares in 4 ways, for example, as 3750950025 + 2371105636 = 61245^2 + 48694^2 .

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 6122055661 - 2¹⁹ = 6121531373 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 (6122055601) 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, 785761 + ... + 793513.

It is an arithmetic number, because the mean of its divisors is an integer number (768867255).

Almost surely, 2^6122055661 is an apocalyptic number.

It is an amenable number.

6122055661 is a deficient number, since it is larger than the sum of its proper divisors (28882379).

6122055661 is a wasteful number, since it uses less digits than its factorization.

6122055661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11375.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 6122055661 is about 78243.5662594695. The cubic root of 6122055661 is about 1829.3596315177.

Adding to 6122055661 its reverse (1665502216), we get a palindrome (7787557877).

The spelling of 6122055661 in words is "six billion, one hundred twenty-two million, fifty-five thousand, six hundred sixty-one".