163341955940 has 24 divisors (see below), whose sum is σ = 343025807040. Its totient is φ = 65335315808.

The previous prime is 163341955937. The next prime is 163341955957. The reversal of 163341955940 is 49559143361.

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, 1473371 + ... + 1580349.

It is an arithmetic number, because the mean of its divisors is an integer number (14292741960).

Almost surely, 2^163341955940 is an apocalyptic number.

163341955940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163341955940 is an abundant number, since it is smaller than the sum of its proper divisors (179683851100).

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

163341955940 is a wasteful number, since it uses less digits than its factorization.

163341955940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183331 (or 183329 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 163341955940 in words is "one hundred sixty-three billion, three hundred forty-one million, nine hundred fifty-five thousand, nine hundred forty".