234131666 has 4 divisors (see below), whose sum is σ = 351197502. Its totient is φ = 117065832.

The previous prime is 234131621. The next prime is 234131683. The reversal of 234131666 is 666131432.

234131666 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 153041641 + 81090025 = 12371^2 + 9005^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58532915 + ... + 58532918.

Almost surely, 2^234131666 is an apocalyptic number.

234131666 is a deficient number, since it is larger than the sum of its proper divisors (117065836).

234131666 is a wasteful number, since it uses less digits than its factorization.

234131666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117065835.

The product of its digits is 15552, while the sum is 32.

The square root of 234131666 is about 15301.3615734025. The cubic root of 234131666 is about 616.3395710971.

The spelling of 234131666 in words is "two hundred thirty-four million, one hundred thirty-one thousand, six hundred sixty-six".