346656661 has 8 divisors (see below), whose sum is σ = 378049280. Its totient is φ = 315939312.

The previous prime is 346656659. The next prime is 346656677. The reversal of 346656661 is 166656643.

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

It is not a de Polignac number, because 346656661 - 2¹ = 346656659 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 (346651661) 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, 167745 + ... + 169798.

It is an arithmetic number, because the mean of its divisors is an integer number (47256160).

Almost surely, 2^346656661 is an apocalyptic number.

It is an amenable number.

346656661 is a deficient number, since it is larger than the sum of its proper divisors (31392619).

346656661 is a wasteful number, since it uses less digits than its factorization.

346656661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337635.

The product of its digits is 466560, while the sum is 43.

The square root of 346656661 is about 18618.7180278342. The cubic root of 346656661 is about 702.4787367922.

The spelling of 346656661 in words is "three hundred forty-six million, six hundred fifty-six thousand, six hundred sixty-one".