166117834 has 8 divisors (see below), whose sum is σ = 254478528. Its totient is φ = 81291660.

The previous prime is 166117807. The next prime is 166117867. The reversal of 166117834 is 438711661.

166117834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 166117793 and 166117802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883512 + ... + 883699.

It is an arithmetic number, because the mean of its divisors is an integer number (31809816).

Almost surely, 2^166117834 is an apocalyptic number.

166117834 is a deficient number, since it is larger than the sum of its proper divisors (88360694).

166117834 is a wasteful number, since it uses less digits than its factorization.

166117834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767260.

The product of its digits is 24192, while the sum is 37.

The square root of 166117834 is about 12888.6707615642. The cubic root of 166117834 is about 549.7164753559.

The spelling of 166117834 in words is "one hundred sixty-six million, one hundred seventeen thousand, eight hundred thirty-four".