163080431 has 4 divisors (see below), whose sum is σ = 163195200. Its totient is φ = 162965664.

The previous prime is 163080409. The next prime is 163080451. The reversal of 163080431 is 134080361.

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 163080431 - 2¹⁴ = 163064047 is a prime.

It is a super-2 number, since 2×163080431² = 53190453950291522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163080431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163080451) 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, 55226 + ... + 58103.

It is an arithmetic number, because the mean of its divisors is an integer number (40798800).

Almost surely, 2^163080431 is an apocalyptic number.

163080431 is a deficient number, since it is larger than the sum of its proper divisors (114769).

163080431 is a wasteful number, since it uses less digits than its factorization.

163080431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114768.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 163080431 is about 12770.2948673866. The cubic root of 163080431 is about 546.3453907807.

The spelling of 163080431 in words is "one hundred sixty-three million, eighty thousand, four hundred thirty-one".