166001492836 has 6 divisors (see below), whose sum is σ = 290502612470. Its totient is φ = 83000746416.

The previous prime is 166001492809. The next prime is 166001492843. The reversal of 166001492836 is 638294100661.

166001492836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 158969664100 + 7031828736 = 398710^2 + 83856^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20750186601 + ... + 20750186608.

Almost surely, 2^166001492836 is an apocalyptic number.

It is an amenable number.

166001492836 is a deficient number, since it is larger than the sum of its proper divisors (124501119634).

166001492836 is a wasteful number, since it uses less digits than its factorization.

166001492836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41500373213 (or 41500373211 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 166001492836 in words is "one hundred sixty-six billion, one million, four hundred ninety-two thousand, eight hundred thirty-six".