16950018023 has 4 divisors (see below), whose sum is σ = 16951455840. Its totient is φ = 16948580208.

The previous prime is 16950018017. The next prime is 16950018103. The reversal of 16950018023 is 32081005961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32081005961 = 281 ⋅114167281.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16950018023 is a prime.

It is a super-2 number, since 2×16950018023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16950018823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701078 + ... + 724851.

It is an arithmetic number, because the mean of its divisors is an integer number (4237863960).

Almost surely, 2^16950018023 is an apocalyptic number.

16950018023 is a deficient number, since it is larger than the sum of its proper divisors (1437817).

16950018023 is a wasteful number, since it uses less digits than its factorization.

16950018023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437816.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 16950018023 in words is "sixteen billion, nine hundred fifty million, eighteen thousand, twenty-three".