166732280682240 has 4608 divisors, whose sum is σ = 726298804224000. Its totient is φ = 32312894423040.

The previous prime is 166732280682089. The next prime is 166732280682277. The reversal of 166732280682240 is 42286082237661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 1873396412116 + ... + 1873396412204.

It is an arithmetic number, because the mean of its divisors is an integer number (157616928000).

Almost surely, 2^{166732280682240} is an apocalyptic number.

166732280682240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166732280682240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363149402112000).

166732280682240 is an abundant number, since it is smaller than the sum of its proper divisors (559566523541760).

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

166732280682240 is a wasteful number, since it uses less digits than its factorization.

166732280682240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 57.

The spelling of 166732280682240 in words is "one hundred sixty-six trillion, seven hundred thirty-two billion, two hundred eighty million, six hundred eighty-two thousand, two hundred forty".