166601322 has 24 divisors (see below), whose sum is σ = 363190464. Its totient is φ = 55192104.

The previous prime is 166601321. The next prime is 166601341. The reversal of 166601322 is 223106661.

166601322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166601321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25458 + ... + 31325.

It is an arithmetic number, because the mean of its divisors is an integer number (15132936).

Almost surely, 2^166601322 is an apocalyptic number.

166601322 is an abundant number, since it is smaller than the sum of its proper divisors (196589142).

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

166601322 is a wasteful number, since it uses less digits than its factorization.

166601322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56954 (or 56951 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 166601322 is about 12907.4134511915. The cubic root of 166601322 is about 550.2492776359.

Adding to 166601322 its reverse (223106661), we get a palindrome (389707983).

The spelling of 166601322 in words is "one hundred sixty-six million, six hundred one thousand, three hundred twenty-two".