163677340 has 12 divisors (see below), whose sum is σ = 343722456. Its totient is φ = 65470928.

The previous prime is 163677337. The next prime is 163677341. The reversal of 163677340 is 43776361.

It is a self number, because there is not a number n which added to its sum of digits gives 163677340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163677341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4091914 + ... + 4091953.

It is an arithmetic number, because the mean of its divisors is an integer number (28643538).

Almost surely, 2^163677340 is an apocalyptic number.

163677340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163677340 is an abundant number, since it is smaller than the sum of its proper divisors (180045116).

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

163677340 is a wasteful number, since it uses less digits than its factorization.

163677340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183876 (or 8183874 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 163677340 is about 12793.6445159306. The cubic root of 163677340 is about 547.0111591960.

The spelling of 163677340 in words is "one hundred sixty-three million, six hundred seventy-seven thousand, three hundred forty".