166703501667 has 16 divisors (see below), whose sum is σ = 222668904960. Its totient is φ = 110937063072.

The previous prime is 166703501639. The next prime is 166703501669. The reversal of 166703501667 is 766105307661.

It is a de Polignac number, because none of the positive numbers 2^k-166703501667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166703501669) 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 15 ways as a sum of consecutive naturals, for example, 3882438 + ... + 3925140.

It is an arithmetic number, because the mean of its divisors is an integer number (13916806560).

Almost surely, 2^166703501667 is an apocalyptic number.

166703501667 is a deficient number, since it is larger than the sum of its proper divisors (55965403293).

166703501667 is a wasteful number, since it uses less digits than its factorization.

166703501667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45002.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 166703501667 in words is "one hundred sixty-six billion, seven hundred three million, five hundred one thousand, six hundred sixty-seven".