356232205355661 has 36 divisors (see below), whose sum is σ = 543377451770400. Its totient is φ = 233462913990696.

The previous prime is 356232205355657. The next prime is 356232205355711. The reversal of 356232205355661 is 166553502232653.

356232205355661 is a `hidden beast` number, since 3 + 5 + 6 + 2 + 3 + 2 + 20 + 5 + 3 + 556 + 61 = 666.

It is not a de Polignac number, because 356232205355661 - 2² = 356232205355657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 356232205355598 and 356232205355607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356232205355161) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 459743521 + ... + 460517718.

Almost surely, 2^{356232205355661} is an apocalyptic number.

It is an amenable number.

356232205355661 is a deficient number, since it is larger than the sum of its proper divisors (187145246414739).

356232205355661 is an frugal number, since it uses more digits than its factorization.

356232205355661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920261322 (or 920261301 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 54.

The spelling of 356232205355661 in words is "three hundred fifty-six trillion, two hundred thirty-two billion, two hundred five million, three hundred fifty-five thousand, six hundred sixty-one".