166105734 has 8 divisors (see below), whose sum is σ = 332211480. Its totient is φ = 55368576.

The previous prime is 166105729. The next prime is 166105739. The reversal of 166105734 is 437501661.

It is an interprime number because it is at equal distance from previous prime (166105729) and next prime (166105739).

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

166105734 is an admirable number.

It is a super-2 number, since 2×166105734² = 55182229735357512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166105695 and 166105704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166105739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13842139 + ... + 13842150.

It is an arithmetic number, because the mean of its divisors is an integer number (41526435).

Almost surely, 2^166105734 is an apocalyptic number.

166105734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166105734 is a wasteful number, since it uses less digits than its factorization.

166105734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27684294.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 166105734 is about 12888.2013485203. The cubic root of 166105734 is about 549.7031279412.

The spelling of 166105734 in words is "one hundred sixty-six million, one hundred five thousand, seven hundred thirty-four".