245366668 has 24 divisors (see below), whose sum is σ = 451503360. Its totient is φ = 116447760.

The previous prime is 245366633. The next prime is 245366689. The reversal of 245366668 is 866663542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873 + ... + 22231.

It is an arithmetic number, because the mean of its divisors is an integer number (18812640).

Almost surely, 2^245366668 is an apocalyptic number.

It is an amenable number.

245366668 is a deficient number, since it is larger than the sum of its proper divisors (206136692).

245366668 is a wasteful number, since it uses less digits than its factorization.

245366668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20517 (or 20515 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 245366668 is about 15664.1842430431. The cubic root of 245366668 is about 626.0444768965.

The spelling of 245366668 in words is "two hundred forty-five million, three hundred sixty-six thousand, six hundred sixty-eight".