245616643000 has 64 divisors (see below), whose sum is σ = 574846009920. Its totient is φ = 98229040000.

The previous prime is 245616642967. The next prime is 245616643001. The reversal of 245616643000 is 346616542.

245616643000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245616643001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6532254 + ... + 6569746.

It is an arithmetic number, because the mean of its divisors is an integer number (8981968905).

Almost surely, 2^245616643000 is an apocalyptic number.

245616643000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245616643000 is an abundant number, since it is smaller than the sum of its proper divisors (329229366920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245616643000 is a wasteful number, since it uses less digits than its factorization.

245616643000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44065 (or 44051 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 245616643000 in words is "two hundred forty-five billion, six hundred sixteen million, six hundred forty-three thousand".