346121661 has 8 divisors (see below), whose sum is σ = 462383424. Its totient is φ = 230303840.

The previous prime is 346121653. The next prime is 346121681. The reversal of 346121661 is 166121643.

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

It is a cyclic number.

It is not a de Polignac number, because 346121661 - 2³ = 346121653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346121621) 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, 109161 + ... + 112286.

It is an arithmetic number, because the mean of its divisors is an integer number (57797928).

Almost surely, 2^346121661 is an apocalyptic number.

It is an amenable number.

346121661 is a deficient number, since it is larger than the sum of its proper divisors (116261763).

346121661 is a wasteful number, since it uses less digits than its factorization.

346121661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221971.

The product of its digits is 5184, while the sum is 30.

The square root of 346121661 is about 18604.3452182548. The cubic root of 346121661 is about 702.1171690205.

The spelling of 346121661 in words is "three hundred forty-six million, one hundred twenty-one thousand, six hundred sixty-one".