16868500335 has 12 divisors (see below), whose sum is σ = 29238733992. Its totient is φ = 8996533488.

The previous prime is 16868500309. The next prime is 16868500343. The reversal of 16868500335 is 53300586861.

It is a de Polignac number, because none of the positive numbers 2^k-16868500335 is a prime.

It is a super-2 number, since 2×16868500335² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 374855563 = 16868500335 / (1 + 6 + 8 + 6 + 8 + 5 + 0 + 0 + 3 + 3 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187427737 + ... + 187427826.

It is an arithmetic number, because the mean of its divisors is an integer number (2436561166).

Almost surely, 2^16868500335 is an apocalyptic number.

16868500335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16868500335 is a deficient number, since it is larger than the sum of its proper divisors (12370233657).

16868500335 is a wasteful number, since it uses less digits than its factorization.

16868500335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374855574 (or 374855571 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 16868500335 in words is "sixteen billion, eight hundred sixty-eight million, five hundred thousand, three hundred thirty-five".