166511130 has 32 divisors (see below), whose sum is σ = 408132864. Its totient is φ = 43457856.

The previous prime is 166511129. The next prime is 166511143. The reversal of 166511130 is 31115661.

It is a self number, because there is not a number n which added to its sum of digits gives 166511130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57637 + ... + 60456.

It is an arithmetic number, because the mean of its divisors is an integer number (12754152).

Almost surely, 2^166511130 is an apocalyptic number.

166511130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166511130 is an abundant number, since it is smaller than the sum of its proper divisors (241621734).

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

166511130 is a wasteful number, since it uses less digits than its factorization.

166511130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118150.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 166511130 is about 12903.9191720965. The cubic root of 166511130 is about 550.1499646161.

Adding to 166511130 its reverse (31115661), we get a palindrome (197626791).

The spelling of 166511130 in words is "one hundred sixty-six million, five hundred eleven thousand, one hundred thirty".