997107066244 has 48 divisors (see below), whose sum is σ = 1841487681600. Its totient is φ = 471103883136.

The previous prime is 997107066203. The next prime is 997107066251. The reversal of 997107066244 is 442660701799.

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, 50561074 + ... + 50580790.

It is an arithmetic number, because the mean of its divisors is an integer number (38364326700).

Almost surely, 2^997107066244 is an apocalyptic number.

It is an amenable number.

997107066244 is a deficient number, since it is larger than the sum of its proper divisors (844380615356).

997107066244 is a wasteful number, since it uses less digits than its factorization.

997107066244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21412 (or 21410 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 997107066244 in words is "nine hundred ninety-seven billion, one hundred seven million, sixty-six thousand, two hundred forty-four".