245615556660 has 48 divisors (see below), whose sum is σ = 690675201216. Its totient is φ = 65216372992.

The previous prime is 245615556617. The next prime is 245615556671. The reversal of 245615556660 is 66655516542.

245615556660 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8770554 + ... + 8798513.

It is an arithmetic number, because the mean of its divisors is an integer number (14389066692).

Almost surely, 2^245615556660 is an apocalyptic number.

245615556660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245615556660 is an abundant number, since it is smaller than the sum of its proper divisors (445059644556).

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

245615556660 is a wasteful number, since it uses less digits than its factorization.

245615556660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17569312 (or 17569310 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 245615556660 in words is "two hundred forty-five billion, six hundred fifteen million, five hundred fifty-six thousand, six hundred sixty".