166045130 has 16 divisors (see below), whose sum is σ = 300048840. Its totient is φ = 66158592.

The previous prime is 166045129. The next prime is 166045147. The reversal of 166045130 is 31540661.

It can be written as a sum of positive squares in 4 ways, for example, as 165971689 + 73441 = 12883^2 + 271^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166045130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29735 + ... + 34874.

Almost surely, 2^166045130 is an apocalyptic number.

166045130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166045130 is a deficient number, since it is larger than the sum of its proper divisors (134003710).

166045130 is a wasteful number, since it uses less digits than its factorization.

166045130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64873.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 166045130 is about 12885.8499913665. The cubic root of 166045130 is about 549.6362663907.

Adding to 166045130 its reverse (31540661), we get a palindrome (197585791).

The spelling of 166045130 in words is "one hundred sixty-six million, forty-five thousand, one hundred thirty".