163037742401 has 4 divisors (see below), whose sum is σ = 165334048704. Its totient is φ = 160741436100.

The previous prime is 163037742391. The next prime is 163037742421. The reversal of 163037742401 is 104247730361.

It is a happy number.

163037742401 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-163037742401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163037742421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148153045 + ... + 1148153186.

It is an arithmetic number, because the mean of its divisors is an integer number (41333512176).

Almost surely, 2^163037742401 is an apocalyptic number.

It is an amenable number.

163037742401 is a deficient number, since it is larger than the sum of its proper divisors (2296306303).

163037742401 is an equidigital number, since it uses as much as digits as its factorization.

163037742401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296306302.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 163037742401 in words is "one hundred sixty-three billion, thirty-seven million, seven hundred forty-two thousand, four hundred one".