166560106187238 has 64 divisors (see below), whose sum is σ = 337567000995840. Its totient is φ = 54779871863808.

The previous prime is 166560106187203. The next prime is 166560106187249. The reversal of 166560106187238 is 832781601065661.

It is a happy number.

It is a super-3 number, since 3×166560106187238³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10292280495 + ... + 10292296677.

It is an arithmetic number, because the mean of its divisors is an integer number (5274484390560).

Almost surely, 2^{166560106187238} is an apocalyptic number.

166560106187238 is an abundant number, since it is smaller than the sum of its proper divisors (171006894808602).

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

166560106187238 is a wasteful number, since it uses less digits than its factorization.

166560106187238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29733.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 166560106187238 in words is "one hundred sixty-six trillion, five hundred sixty billion, one hundred six million, one hundred eighty-seven thousand, two hundred thirty-eight".