16697528023 has 4 divisors (see below), whose sum is σ = 18215485128. Its totient is φ = 15179570920.

The previous prime is 16697528009. The next prime is 16697528087. The reversal of 16697528023 is 32082579661.

16697528023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32082579661 = 11 ⋅2916598151.

It is a cyclic number.

It is not a de Polignac number, because 16697528023 - 2¹³ = 16697519831 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16697528093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758978536 + ... + 758978557.

It is an arithmetic number, because the mean of its divisors is an integer number (4553871282).

Almost surely, 2^16697528023 is an apocalyptic number.

16697528023 is a deficient number, since it is larger than the sum of its proper divisors (1517957105).

16697528023 is a wasteful number, since it uses less digits than its factorization.

16697528023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517957104.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 16697528023 in words is "sixteen billion, six hundred ninety-seven million, five hundred twenty-eight thousand, twenty-three".