234665661 has 8 divisors (see below), whose sum is σ = 312984000. Its totient is φ = 156395552.

The previous prime is 234665657. The next prime is 234665681. The reversal of 234665661 is 166566432.

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 234665661 - 2² = 234665657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234665681) 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, 1465 + ... + 21713.

It is an arithmetic number, because the mean of its divisors is an integer number (39123000).

Almost surely, 2^234665661 is an apocalyptic number.

It is an amenable number.

234665661 is a deficient number, since it is larger than the sum of its proper divisors (78318339).

234665661 is a wasteful number, since it uses less digits than its factorization.

234665661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24115.

The product of its digits is 155520, while the sum is 39.

The square root of 234665661 is about 15318.8008995482. The cubic root of 234665661 is about 616.8077867763.

The spelling of 234665661 in words is "two hundred thirty-four million, six hundred sixty-five thousand, six hundred sixty-one".