243130166532 has 72 divisors (see below), whose sum is σ = 671015977632. Its totient is φ = 73613596800.

The previous prime is 243130166491. The next prime is 243130166557. The reversal of 243130166532 is 235661031342.

243130166532 is a `hidden beast` number, since 2 + 4 + 31 + 30 + 1 + 66 + 532 = 666.

It is a super-2 number, since 2×243130166532² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211432 + ... + 728672.

It is an arithmetic number, because the mean of its divisors is an integer number (9319666356).

Almost surely, 2^243130166532 is an apocalyptic number.

243130166532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243130166532 is an abundant number, since it is smaller than the sum of its proper divisors (427885811100).

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

243130166532 is a wasteful number, since it uses less digits than its factorization.

243130166532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518449 (or 518444 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 243130166532 its reverse (235661031342), we get a palindrome (478791197874).

The spelling of 243130166532 in words is "two hundred forty-three billion, one hundred thirty million, one hundred sixty-six thousand, five hundred thirty-two".