16898742071 has 4 divisors (see below), whose sum is σ = 17062807632. Its totient is φ = 16734676512.

The previous prime is 16898742059. The next prime is 16898742109. The reversal of 16898742071 is 17024789861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17024789861 = 659 ⋅25834279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16898742071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16898741071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82032626 + ... + 82032831.

It is an arithmetic number, because the mean of its divisors is an integer number (4265701908).

Almost surely, 2^16898742071 is an apocalyptic number.

16898742071 is a deficient number, since it is larger than the sum of its proper divisors (164065561).

16898742071 is a wasteful number, since it uses less digits than its factorization.

16898742071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164065560.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 16898742071 in words is "sixteen billion, eight hundred ninety-eight million, seven hundred forty-two thousand, seventy-one".