166740703712 has 192 divisors, whose sum is σ = 378275546880. Its totient is φ = 71666380800.

The previous prime is 166740703693. The next prime is 166740703769. The reversal of 166740703712 is 217307047661.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86259098 + ... + 86261030.

It is an arithmetic number, because the mean of its divisors is an integer number (1970185140).

Almost surely, 2^166740703712 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 166740703712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189137773440).

166740703712 is an abundant number, since it is smaller than the sum of its proper divisors (211534843168).

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

166740703712 is a wasteful number, since it uses less digits than its factorization.

166740703712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 166740703712 in words is "one hundred sixty-six billion, seven hundred forty million, seven hundred three thousand, seven hundred twelve".