166236342 has 16 divisors (see below), whose sum is σ = 333545472. Its totient is φ = 55233320.

The previous prime is 166236311. The next prime is 166236383. The reversal of 166236342 is 243632661.

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 in 7 ways as a sum of consecutive naturals, for example, 42678 + ... + 46409.

It is an arithmetic number, because the mean of its divisors is an integer number (20846592).

Almost surely, 2^166236342 is an apocalyptic number.

166236342 is an abundant number, since it is smaller than the sum of its proper divisors (167309130).

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

166236342 is a wasteful number, since it uses less digits than its factorization.

166236342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89403.

The product of its digits is 31104, while the sum is 33.

The square root of 166236342 is about 12893.2673128265. The cubic root of 166236342 is about 549.8471663500.

The spelling of 166236342 in words is "one hundred sixty-six million, two hundred thirty-six thousand, three hundred forty-two".