1966081230 has 48 divisors (see below), whose sum is σ = 5114888064. Its totient is φ = 523972800.

The previous prime is 1966081223. The next prime is 1966081267. The reversal of 1966081230 is 321806691.

1966081230 is a `hidden beast` number, since 1 + 9 + 6 + 608 + 12 + 30 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 169992 + ... + 181188.

It is an arithmetic number, because the mean of its divisors is an integer number (106560168).

Almost surely, 2^1966081230 is an apocalyptic number.

1966081230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1966081230 is an abundant number, since it is smaller than the sum of its proper divisors (3148806834).

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

1966081230 is a wasteful number, since it uses less digits than its factorization.

1966081230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13161 (or 13158 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1966081230 is about 44340.5145436992. The cubic root of 1966081230 is about 1252.7579064200.

The spelling of 1966081230 in words is "one billion, nine hundred sixty-six million, eighty-one thousand, two hundred thirty".