356161609 has 8 divisors (see below), whose sum is σ = 358272288. Its totient is φ = 354056640.

The previous prime is 356161571. The next prime is 356161613. The reversal of 356161609 is 906161653.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356161609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356161409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198414 + ... + 200200.

It is an arithmetic number, because the mean of its divisors is an integer number (44784036).

Almost surely, 2^356161609 is an apocalyptic number.

It is an amenable number.

356161609 is a deficient number, since it is larger than the sum of its proper divisors (2110679).

356161609 is a wasteful number, since it uses less digits than its factorization.

356161609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 356161609 is about 18872.2444081249. The cubic root of 356161609 is about 708.8413350665.

The spelling of 356161609 in words is "three hundred fifty-six million, one hundred sixty-one thousand, six hundred nine".