163940982 has 16 divisors (see below), whose sum is σ = 334858752. Its totient is φ = 53484200.

The previous prime is 163940971. The next prime is 163940993. The reversal of 163940982 is 289049361.

163940982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163940971) and next prime (163940993).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290394 + ... + 290957.

It is an arithmetic number, because the mean of its divisors is an integer number (20928672).

Almost surely, 2^163940982 is an apocalyptic number.

163940982 is an abundant number, since it is smaller than the sum of its proper divisors (170917770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163940982 is a wasteful number, since it uses less digits than its factorization.

163940982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581403.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 163940982 is about 12803.9440017520. The cubic root of 163940982 is about 547.3046996338.

The spelling of 163940982 in words is "one hundred sixty-three million, nine hundred forty thousand, nine hundred eighty-two".