194237066 has 4 divisors (see below), whose sum is σ = 291355602. Its totient is φ = 97118532.

The previous prime is 194237059. The next prime is 194237077. The reversal of 194237066 is 660732491.

194237066 is digitally balanced in base 2, because in such base 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., 141253225 + 52983841 = 11885^2 + 7279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48559265 + ... + 48559268.

Almost surely, 2^194237066 is an apocalyptic number.

194237066 is a deficient number, since it is larger than the sum of its proper divisors (97118536).

194237066 is an equidigital number, since it uses as much as digits as its factorization.

194237066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97118535.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 194237066 is about 13936.8958523769. The cubic root of 194237066 is about 579.1317428855.

The spelling of 194237066 in words is "one hundred ninety-four million, two hundred thirty-seven thousand, sixty-six".