9865162945750 has 64 divisors (see below), whose sum is σ = 21107599793280. Its totient is φ = 3382054992000.

The previous prime is 9865162945717. The next prime is 9865162945753. The reversal of 9865162945750 is 575492615689.

9865162945750 is digitally balanced in base 2, 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 (9865162945753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20957980 + ... + 21423520.

It is an arithmetic number, because the mean of its divisors is an integer number (329806246770).

Almost surely, 2^{9865162945750} is an apocalyptic number.

9865162945750 is an abundant number, since it is smaller than the sum of its proper divisors (11242436847530).

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

9865162945750 is a wasteful number, since it uses less digits than its factorization.

9865162945750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477674 (or 477664 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 67.

The spelling of 9865162945750 in words is "nine trillion, eight hundred sixty-five billion, one hundred sixty-two million, nine hundred forty-five thousand, seven hundred fifty".