357085661 has 4 divisors (see below), whose sum is σ = 357134112. Its totient is φ = 357037212.

The previous prime is 357085657. The next prime is 357085691. The reversal of 357085661 is 166580753.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 357085661 - 2² = 357085657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357085691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10625 + ... + 28758.

It is an arithmetic number, because the mean of its divisors is an integer number (89283528).

Almost surely, 2^357085661 is an apocalyptic number.

It is an amenable number.

357085661 is a deficient number, since it is larger than the sum of its proper divisors (48451).

357085661 is an equidigital number, since it uses as much as digits as its factorization.

357085661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48450.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 357085661 is about 18896.7103221698. The cubic root of 357085661 is about 709.4538291201.

The spelling of 357085661 in words is "three hundred fifty-seven million, eighty-five thousand, six hundred sixty-one".