357606661 has 4 divisors (see below), whose sum is σ = 357645024. Its totient is φ = 357568300.

The previous prime is 357606653. The next prime is 357606701. The reversal of 357606661 is 166606753.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 357606661 - 2³ = 357606653 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357606631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4776 + ... + 27166.

It is an arithmetic number, because the mean of its divisors is an integer number (89411256).

Almost surely, 2^357606661 is an apocalyptic number.

It is an amenable number.

357606661 is a deficient number, since it is larger than the sum of its proper divisors (38363).

357606661 is a wasteful number, since it uses less digits than its factorization.

357606661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38362.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 357606661 is about 18910.4907657099. The cubic root of 357606661 is about 709.7987004545.

The spelling of 357606661 in words is "three hundred fifty-seven million, six hundred six thousand, six hundred sixty-one".