163687082 has 8 divisors (see below), whose sum is σ = 264417636. Its totient is φ = 75547872.

The previous prime is 163687081. The next prime is 163687093. The reversal of 163687082 is 280786361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 157979761 + 5707321 = 12569^2 + 2389^2 .

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

It is not an unprimeable number, because it can be changed into a prime (163687081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147803 + ... + 3147854.

Almost surely, 2^163687082 is an apocalyptic number.

163687082 is a deficient number, since it is larger than the sum of its proper divisors (100730554).

163687082 is a wasteful number, since it uses less digits than its factorization.

163687082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295672.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 163687082 is about 12794.0252461843. The cubic root of 163687082 is about 547.0220115983.

The spelling of 163687082 in words is "one hundred sixty-three million, six hundred eighty-seven thousand, eighty-two".