168457603532401 has 4 divisors (see below), whose sum is σ = 168457649200704. Its totient is φ = 168457557864100.

The previous prime is 168457603532363. The next prime is 168457603532417. The reversal of 168457603532401 is 104235306754861.

It is a happy number.

168457603532401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168457603532401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168457603536401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16763005 + ... + 24857866.

It is an arithmetic number, because the mean of its divisors is an integer number (42114412300176).

Almost surely, 2^{168457603532401} is an apocalyptic number.

It is an amenable number.

168457603532401 is a deficient number, since it is larger than the sum of its proper divisors (45668303).

168457603532401 is an equidigital number, since it uses as much as digits as its factorization.

168457603532401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45668302.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 168457603532401 in words is "one hundred sixty-eight trillion, four hundred fifty-seven billion, six hundred three million, five hundred thirty-two thousand, four hundred one".