16716121023 has 24 divisors (see below), whose sum is σ = 25979961600. Its totient is φ = 9532573680.

The previous prime is 16716121001. The next prime is 16716121027. The reversal of 16716121023 is 32012161761.

It is not a de Polignac number, because 16716121023 - 2¹² = 16716116927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16716121027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43623 + ... + 187976.

It is an arithmetic number, because the mean of its divisors is an integer number (1082498400).

Almost surely, 2^16716121023 is an apocalyptic number.

16716121023 is a deficient number, since it is larger than the sum of its proper divisors (9263840577).

16716121023 is a wasteful number, since it uses less digits than its factorization.

16716121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232107 (or 232100 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

Adding to 16716121023 its reverse (32012161761), we get a palindrome (48728282784).

The spelling of 16716121023 in words is "sixteen billion, seven hundred sixteen million, one hundred twenty-one thousand, twenty-three".