9923506660814 has 16 divisors (see below), whose sum is σ = 14898194223360. Its totient is φ = 4957442646840.

The previous prime is 9923506660811. The next prime is 9923506660891. The reversal of 9923506660814 is 4180666053299.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923506660811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28068827 + ... + 28420169.

It is an arithmetic number, because the mean of its divisors is an integer number (931137138960).

Almost surely, 2^{9923506660814} is an apocalyptic number.

9923506660814 is a deficient number, since it is larger than the sum of its proper divisors (4974687562546).

9923506660814 is a wasteful number, since it uses less digits than its factorization.

9923506660814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363575.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 9923506660814 in words is "nine trillion, nine hundred twenty-three billion, five hundred six million, six hundred sixty thousand, eight hundred fourteen".