166000631001403 has 16 divisors (see below), whose sum is σ = 185509566218592. Its totient is φ = 147228067584000.

The previous prime is 166000631001383. The next prime is 166000631001421. The reversal of 166000631001403 is 304100136000661.

It is a cyclic number.

It is not a de Polignac number, because 166000631001403 - 2⁹ = 166000631000891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166000631005403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82020775 + ... + 84020287.

It is an arithmetic number, because the mean of its divisors is an integer number (11594347888662).

Almost surely, 2^{166000631001403} is an apocalyptic number.

166000631001403 is a deficient number, since it is larger than the sum of its proper divisors (19508935217189).

166000631001403 is a wasteful number, since it uses less digits than its factorization.

166000631001403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183646.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 166000631001403 in words is "one hundred sixty-six trillion, six hundred thirty-one million, one thousand, four hundred three".