166042359 has 32 divisors (see below), whose sum is σ = 293360640. Its totient is φ = 90753696.

The previous prime is 166042351. The next prime is 166042361. The reversal of 166042359 is 953240661.

It is a happy number.

166042359 is a `hidden beast` number, since 16 + 604 + 2 + 35 + 9 = 666.

It is not a de Polignac number, because 166042359 - 2³ = 166042351 is a prime.

It is a super-3 number, since 3×166042359³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166042351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14752 + ... + 23445.

It is an arithmetic number, because the mean of its divisors is an integer number (9167520).

Almost surely, 2^166042359 is an apocalyptic number.

166042359 is a deficient number, since it is larger than the sum of its proper divisors (127318281).

166042359 is a wasteful number, since it uses less digits than its factorization.

166042359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38236 (or 38230 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 166042359 is about 12885.7424698773. The cubic root of 166042359 is about 549.6332088875.

The spelling of 166042359 in words is "one hundred sixty-six million, forty-two thousand, three hundred fifty-nine".