168450785001 has 24 divisors (see below), whose sum is σ = 252359234400. Its totient is φ = 112287321792.

The previous prime is 168450784967. The next prime is 168450785017. The reversal of 168450785001 is 100587054861.

168450785001 is a `hidden beast` number, since 1 + 68 + 4 + 507 + 85 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 168450785001 - 2⁶ = 168450784937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168450784001) 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 23 ways as a sum of consecutive naturals, for example, 2308786 + ... + 2380628.

It is an arithmetic number, because the mean of its divisors is an integer number (10514968100).

Almost surely, 2^168450785001 is an apocalyptic number.

It is an amenable number.

168450785001 is a deficient number, since it is larger than the sum of its proper divisors (83908449399).

168450785001 is an frugal number, since it uses more digits than its factorization.

168450785001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81507 (or 81495 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 168450785001 in words is "one hundred sixty-eight billion, four hundred fifty million, seven hundred eighty-five thousand, one".