166802986 has 8 divisors (see below), whose sum is σ = 285948000. Its totient is φ = 71486988.

The previous prime is 166802981. The next prime is 166803001. The reversal of 166802986 is 689208661.

166802986 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 super-3 number, since 3×166802986³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (166802981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5957236 + ... + 5957263.

It is an arithmetic number, because the mean of its divisors is an integer number (35743500).

Almost surely, 2^166802986 is an apocalyptic number.

166802986 is a deficient number, since it is larger than the sum of its proper divisors (119145014).

166802986 is a wasteful number, since it uses less digits than its factorization.

166802986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914508.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 166802986 is about 12915.2230333045. The cubic root of 166802986 is about 550.4712061017.

The spelling of 166802986 in words is "one hundred sixty-six million, eight hundred two thousand, nine hundred eighty-six".