166337652712 has 128 divisors (see below), whose sum is σ = 402527232000. Its totient is φ = 62528981760.

The previous prime is 166337652697. The next prime is 166337652721. The reversal of 166337652712 is 217256733661.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39423739 + ... + 39427957.

It is an arithmetic number, because the mean of its divisors is an integer number (3144744000).

Almost surely, 2^166337652712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166337652712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201263616000).

166337652712 is an abundant number, since it is smaller than the sum of its proper divisors (236189579288).

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

166337652712 is a wasteful number, since it uses less digits than its factorization.

166337652712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479 (or 6475 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 49.

The spelling of 166337652712 in words is "one hundred sixty-six billion, three hundred thirty-seven million, six hundred fifty-two thousand, seven hundred twelve".