168350001840 has 60 divisors (see below), whose sum is σ = 565375425264. Its totient is φ = 44893333632.

The previous prime is 168350001829. The next prime is 168350001899. The reversal of 168350001840 is 48100053861.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 168350001795 and 168350001804.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 116909004 + ... + 116910443.

Almost surely, 2^168350001840 is an apocalyptic number.

168350001840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168350001840 is an abundant number, since it is smaller than the sum of its proper divisors (397025423424).

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

168350001840 is a wasteful number, since it uses less digits than its factorization.

168350001840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233819466 (or 233819457 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 168350001840 in words is "one hundred sixty-eight billion, three hundred fifty million, one thousand, eight hundred forty".