834166749999 has 32 divisors (see below), whose sum is σ = 1236439987200. Its totient is φ = 495931180160.

The previous prime is 834166749971. The next prime is 834166750007. The reversal of 834166749999 is 999947661438.

It is a cyclic number.

It is not a de Polignac number, because 834166749999 - 2²⁰ = 834165701423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 834166749999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834166742999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10926442 + ... + 11002520.

It is an arithmetic number, because the mean of its divisors is an integer number (38638749600).

Almost surely, 2^834166749999 is an apocalyptic number.

834166749999 is a deficient number, since it is larger than the sum of its proper divisors (402273237201).

834166749999 is a wasteful number, since it uses less digits than its factorization.

834166749999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82415.

The product of its digits is 634894848, while the sum is 75.

The spelling of 834166749999 in words is "eight hundred thirty-four billion, one hundred sixty-six million, seven hundred forty-nine thousand, nine hundred ninety-nine".