23645016516 has 24 divisors (see below), whose sum is σ = 60187315104. Its totient is φ = 7165156480.

The previous prime is 23645016497. The next prime is 23645016517. The reversal of 23645016516 is 61561054632.

It is not an unprimeable number, because it can be changed into a prime (23645016517) 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, 89564325 + ... + 89564588.

It is an arithmetic number, because the mean of its divisors is an integer number (2507804796).

Almost surely, 2^23645016516 is an apocalyptic number.

It is an amenable number.

23645016516 is an abundant number, since it is smaller than the sum of its proper divisors (36542298588).

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

23645016516 is a wasteful number, since it uses less digits than its factorization.

23645016516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179128931 (or 179128929 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 23645016516 in words is "twenty-three billion, six hundred forty-five million, sixteen thousand, five hundred sixteen".