166633695210672 has 200 divisors, whose sum is σ = 511052289778800. Its totient is φ = 52236672380928.

The previous prime is 166633695210659. The next prime is 166633695210761. The reversal of 166633695210672 is 276012596336661.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25465479 + ... + 31333017.

It is an arithmetic number, because the mean of its divisors is an integer number (2555261448894).

Almost surely, 2^{166633695210672} is an apocalyptic number.

166633695210672 is a gapful number since it is divisible by the number (12) 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 166633695210672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255526144889400).

166633695210672 is an abundant number, since it is smaller than the sum of its proper divisors (344418594568128).

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

166633695210672 is a wasteful number, since it uses less digits than its factorization.

166633695210672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868865 (or 5868850 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 63.

The spelling of 166633695210672 in words is "one hundred sixty-six trillion, six hundred thirty-three billion, six hundred ninety-five million, two hundred ten thousand, six hundred seventy-two".