232155661 has 8 divisors (see below), whose sum is σ = 245743200. Its totient is φ = 218705040.

The previous prime is 232155659. The next prime is 232155709. The reversal of 232155661 is 166551232.

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 232155661 - 2¹ = 232155659 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 (232155611) 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, 30730 + ... + 37531.

It is an arithmetic number, because the mean of its divisors is an integer number (30717900).

Almost surely, 2^232155661 is an apocalyptic number.

It is an amenable number.

232155661 is a deficient number, since it is larger than the sum of its proper divisors (13587539).

232155661 is a wasteful number, since it uses less digits than its factorization.

232155661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68459.

The product of its digits is 10800, while the sum is 31.

The square root of 232155661 is about 15236.6551775644. The cubic root of 232155661 is about 614.6007596747.

The spelling of 232155661 in words is "two hundred thirty-two million, one hundred fifty-five thousand, six hundred sixty-one".