163873367 has 8 divisors (see below), whose sum is σ = 195426816. Its totient is φ = 134355672.

The previous prime is 163873337. The next prime is 163873373. The reversal of 163873367 is 763378361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163873367 - 2¹² = 163869271 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 (163873337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508763 + ... + 509084.

It is an arithmetic number, because the mean of its divisors is an integer number (24428352).

Almost surely, 2^163873367 is an apocalyptic number.

163873367 is a deficient number, since it is larger than the sum of its proper divisors (31553449).

163873367 is a wasteful number, since it uses less digits than its factorization.

163873367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017877.

The product of its digits is 381024, while the sum is 44.

The square root of 163873367 is about 12801.3033320830. The cubic root of 163873367 is about 547.2294467481.

The spelling of 163873367 in words is "one hundred sixty-three million, eight hundred seventy-three thousand, three hundred sixty-seven".