245861866136 has 16 divisors (see below), whose sum is σ = 476887240800. Its totient is φ = 118691935264.

The previous prime is 245861866099. The next prime is 245861866153. The reversal of 245861866136 is 631668168542.

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, 529874480 + ... + 529874943.

It is an arithmetic number, because the mean of its divisors is an integer number (29805452550).

Almost surely, 2^245861866136 is an apocalyptic number.

It is an amenable number.

245861866136 is a deficient number, since it is larger than the sum of its proper divisors (231025374664).

245861866136 is a wasteful number, since it uses less digits than its factorization.

245861866136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059749458 (or 1059749454 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 56.

The spelling of 245861866136 in words is "two hundred forty-five billion, eight hundred sixty-one million, eight hundred sixty-six thousand, one hundred thirty-six".