245630166856 has 32 divisors (see below), whose sum is σ = 483096960000. Its totient is φ = 116860226560.

The previous prime is 245630166829. The next prime is 245630166863. The reversal of 245630166856 is 658661036542.

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, 3459481 + ... + 3529768.

It is an arithmetic number, because the mean of its divisors is an integer number (15096780000).

Almost surely, 2^245630166856 is an apocalyptic number.

It is an amenable number.

245630166856 is a deficient number, since it is larger than the sum of its proper divisors (237466793144).

245630166856 is a wasteful number, since it uses less digits than its factorization.

245630166856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989469 (or 6989465 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 245630166856 in words is "two hundred forty-five billion, six hundred thirty million, one hundred sixty-six thousand, eight hundred fifty-six".