166117702 has 4 divisors (see below), whose sum is σ = 249176556. Its totient is φ = 83058850.

The previous prime is 166117697. The next prime is 166117717. The reversal of 166117702 is 207711661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 207711661 = 17 ⋅12218333.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41529424 + ... + 41529427.

It is an arithmetic number, because the mean of its divisors is an integer number (62294139).

Almost surely, 2^166117702 is an apocalyptic number.

166117702 is a deficient number, since it is larger than the sum of its proper divisors (83058854).

166117702 is an equidigital number, since it uses as much as digits as its factorization.

166117702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83058853.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 166117702 is about 12888.6656407869. The cubic root of 166117702 is about 549.7163297513.

The spelling of 166117702 in words is "one hundred sixty-six million, one hundred seventeen thousand, seven hundred two".