245661166 has 8 divisors (see below), whose sum is σ = 368682624. Its totient is φ = 122766960.

The previous prime is 245661149. The next prime is 245661173. The reversal of 245661166 is 661166542.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26830 + ... + 34801.

It is an arithmetic number, because the mean of its divisors is an integer number (46085328).

Almost surely, 2^245661166 is an apocalyptic number.

245661166 is a deficient number, since it is larger than the sum of its proper divisors (123021458).

245661166 is a wasteful number, since it uses less digits than its factorization.

245661166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63626.

The product of its digits is 51840, while the sum is 37.

The square root of 245661166 is about 15673.5817859225. The cubic root of 245661166 is about 626.2948438744.

The spelling of 245661166 in words is "two hundred forty-five million, six hundred sixty-one thousand, one hundred sixty-six".