166701501606 has 16 divisors (see below), whose sum is σ = 334176565248. Its totient is φ = 55438240200.

The previous prime is 166701501587. The next prime is 166701501607. The reversal of 166701501606 is 606105107661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166701501607) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32228950 + ... + 32234121.

It is an arithmetic number, because the mean of its divisors is an integer number (20886035328).

Almost surely, 2^166701501606 is an apocalyptic number.

166701501606 is an abundant number, since it is smaller than the sum of its proper divisors (167475063642).

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

166701501606 is a wasteful number, since it uses less digits than its factorization.

166701501606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64463507.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 166701501606 in words is "one hundred sixty-six billion, seven hundred one million, five hundred one thousand, six hundred six".