166507872244 has 24 divisors (see below), whose sum is σ = 333043941888. Its totient is φ = 71354474400.

The previous prime is 166507872239. The next prime is 166507872247. The reversal of 166507872244 is 442278705661.

It is a junction number, because it is equal to n+sod(n) for n = 166507872191 and 166507872200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166507872247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93117 + ... + 584539.

It is an arithmetic number, because the mean of its divisors is an integer number (13876830912).

Almost surely, 2^166507872244 is an apocalyptic number.

166507872244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166507872244 is an abundant number, since it is smaller than the sum of its proper divisors (166536069644).

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

166507872244 is a wasteful number, since it uses less digits than its factorization.

166507872244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503535 (or 503533 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 166507872244 in words is "one hundred sixty-six billion, five hundred seven million, eight hundred seventy-two thousand, two hundred forty-four".