166156066602 has 96 divisors (see below), whose sum is σ = 375918192000. Its totient is φ = 52975036800.

The previous prime is 166156066591. The next prime is 166156066619. The reversal of 166156066602 is 206660651661.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30659049 + ... + 30664467.

It is an arithmetic number, because the mean of its divisors is an integer number (3915814500).

Almost surely, 2^166156066602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166156066602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187959096000).

166156066602 is an abundant number, since it is smaller than the sum of its proper divisors (209762125398).

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

166156066602 is a wasteful number, since it uses less digits than its factorization.

166156066602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996 (or 5993 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 166156066602 in words is "one hundred sixty-six billion, one hundred fifty-six million, sixty-six thousand, six hundred two".