166415415124 has 24 divisors (see below), whose sum is σ = 340948657728. Its totient is φ = 69581357760.

The previous prime is 166415415059. The next prime is 166415415137. The reversal of 166415415124 is 421514514661.

It is a congruent number.

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, 72479434 + ... + 72481729.

It is an arithmetic number, because the mean of its divisors is an integer number (14206194072).

Almost surely, 2^166415415124 is an apocalyptic number.

166415415124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166415415124 is an abundant number, since it is smaller than the sum of its proper divisors (174533242604).

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

166415415124 is a wasteful number, since it uses less digits than its factorization.

166415415124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144961215 (or 144961213 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

Adding to 166415415124 its reverse (421514514661), we get a palindrome (587929929785).

The spelling of 166415415124 in words is "one hundred sixty-six billion, four hundred fifteen million, four hundred fifteen thousand, one hundred twenty-four".