163484999 has 8 divisors (see below), whose sum is σ = 169102752. Its totient is φ = 157944960.

The previous prime is 163484969. The next prime is 163485013. The reversal of 163484999 is 999484361.

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 163484999 - 2⁸ = 163484743 is a prime.

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 163484999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163484939) 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, 15134 + ... + 23579.

It is an arithmetic number, because the mean of its divisors is an integer number (21137844).

Almost surely, 2^163484999 is an apocalyptic number.

163484999 is a deficient number, since it is larger than the sum of its proper divisors (5617753).

163484999 is a wasteful number, since it uses less digits than its factorization.

163484999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38857.

The product of its digits is 1679616, while the sum is 53.

The square root of 163484999 is about 12786.1252535708. The cubic root of 163484999 is about 546.7968067534.

The spelling of 163484999 in words is "one hundred sixty-three million, four hundred eighty-four thousand, nine hundred ninety-nine".