163662140 has 24 divisors (see below), whose sum is σ = 343966560. Its totient is φ = 65412288.

The previous prime is 163662133. The next prime is 163662193. The reversal of 163662140 is 41266361.

It is a happy number.

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, 30929 + ... + 35831.

It is an arithmetic number, because the mean of its divisors is an integer number (14331940).

Almost surely, 2^163662140 is an apocalyptic number.

163662140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163662140 is an abundant number, since it is smaller than the sum of its proper divisors (180304420).

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

163662140 is a wasteful number, since it uses less digits than its factorization.

163662140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581 (or 6579 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 163662140 is about 12793.0504571818. The cubic root of 163662140 is about 546.9942258257.

The spelling of 163662140 in words is "one hundred sixty-three million, six hundred sixty-two thousand, one hundred forty".