834374112665 has 16 divisors (see below), whose sum is σ = 1031601270528. Its totient is φ = 647515766016.

The previous prime is 834374112643. The next prime is 834374112697. The reversal of 834374112665 is 566211473438.

It is a cyclic number.

It is not a de Polignac number, because 834374112665 - 2¹² = 834374108569 is a prime.

It is a super-2 number, since 2×834374112665² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15683747 + ... + 15736856.

It is an arithmetic number, because the mean of its divisors is an integer number (64475079408).

Almost surely, 2^834374112665 is an apocalyptic number.

It is an amenable number.

834374112665 is a deficient number, since it is larger than the sum of its proper divisors (197227157863).

834374112665 is a wasteful number, since it uses less digits than its factorization.

834374112665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31420768.

The product of its digits is 2903040, while the sum is 50.

The spelling of 834374112665 in words is "eight hundred thirty-four billion, three hundred seventy-four million, one hundred twelve thousand, six hundred sixty-five".