834166666 has 8 divisors (see below), whose sum is σ = 1259648100. Its totient is φ = 414283968.

The previous prime is 834166657. The next prime is 834166667. The reversal of 834166666 is 666661438.

It can be written as a sum of positive squares in 2 ways, for example, as 833534641 + 632025 = 28871^2 + 795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×834166666⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (834166667) 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, 1399311 + ... + 1399906.

Almost surely, 2^834166666 is an apocalyptic number.

834166666 is a deficient number, since it is larger than the sum of its proper divisors (425481434).

834166666 is a wasteful number, since it uses less digits than its factorization.

834166666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799368.

The product of its digits is 746496, while the sum is 46.

The square root of 834166666 is about 28881.9435980337. The cubic root of 834166666 is about 941.3496028050.

The spelling of 834166666 in words is "eight hundred thirty-four million, one hundred sixty-six thousand, six hundred sixty-six".