16834123215 has 192 divisors, whose sum is σ = 39468441600. Its totient is φ = 6729101568.

The previous prime is 16834123181. The next prime is 16834123237. The reversal of 16834123215 is 51232143861.

It is not a de Polignac number, because 16834123215 - 2¹² = 16834119119 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16834123215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1628754 + ... + 1639056.

It is an arithmetic number, because the mean of its divisors is an integer number (205564800).

Almost surely, 2^16834123215 is an apocalyptic number.

16834123215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16834123215 is an abundant number, since it is smaller than the sum of its proper divisors (22634318385).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16834123215 is a wasteful number, since it uses less digits than its factorization.

16834123215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363 (or 10350 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 16834123215 in words is "sixteen billion, eight hundred thirty-four million, one hundred twenty-three thousand, two hundred fifteen".