166742200 has 24 divisors (see below), whose sum is σ = 387676080. Its totient is φ = 66696800.

The previous prime is 166742197. The next prime is 166742207. The reversal of 166742200 is 2247661.

166742200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166742200² = 55605922521680000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166742207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416656 + ... + 417055.

It is an arithmetic number, because the mean of its divisors is an integer number (16153170).

Almost surely, 2^166742200 is an apocalyptic number.

166742200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166742200 is an abundant number, since it is smaller than the sum of its proper divisors (220933880).

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

166742200 is a wasteful number, since it uses less digits than its factorization.

166742200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833727 (or 833718 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 166742200 is about 12912.8695494069. The cubic root of 166742200 is about 550.4043307838.

Adding to 166742200 its reverse (2247661), we get a palindrome (168989861).

The spelling of 166742200 in words is "one hundred sixty-six million, seven hundred forty-two thousand, two hundred".