163400216407 has 4 divisors (see below), whose sum is σ = 163885083856. Its totient is φ = 162915348960.

The previous prime is 163400216377. The next prime is 163400216411. The reversal of 163400216407 is 704612004361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163400216407 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 (163400216437) 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, 242433219 + ... + 242433892.

It is an arithmetic number, because the mean of its divisors is an integer number (40971270964).

Almost surely, 2^163400216407 is an apocalyptic number.

163400216407 is a deficient number, since it is larger than the sum of its proper divisors (484867449).

163400216407 is an equidigital number, since it uses as much as digits as its factorization.

163400216407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484867448.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 163400216407 in words is "one hundred sixty-three billion, four hundred million, two hundred sixteen thousand, four hundred seven".