161374088503 has 4 divisors (see below), whose sum is σ = 161576566200. Its totient is φ = 161171610808.

The previous prime is 161374088479. The next prime is 161374088543. The reversal of 161374088503 is 305880473161.

161374088503 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.

It is a cyclic number.

It is not a de Polignac number, because 161374088503 - 2⁹ = 161374087991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161374088543) 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, 101237653 + ... + 101239246.

It is an arithmetic number, because the mean of its divisors is an integer number (40394141550).

Almost surely, 2^161374088503 is an apocalyptic number.

161374088503 is a deficient number, since it is larger than the sum of its proper divisors (202477697).

161374088503 is an equidigital number, since it uses as much as digits as its factorization.

161374088503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202477696.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 161374088503 in words is "one hundred sixty-one billion, three hundred seventy-four million, eighty-eight thousand, five hundred three".