163187412 has 48 divisors (see below), whose sum is σ = 389817792. Its totient is φ = 53118720.

The previous prime is 163187393. The next prime is 163187419. The reversal of 163187412 is 214781361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163187419) 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 15 ways as a sum of consecutive naturals, for example, 92862 + ... + 94602.

It is an arithmetic number, because the mean of its divisors is an integer number (8121204).

Almost surely, 2^163187412 is an apocalyptic number.

163187412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163187412 is an abundant number, since it is smaller than the sum of its proper divisors (226630380).

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

163187412 is a wasteful number, since it uses less digits than its factorization.

163187412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1926 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 163187412 is about 12774.4828466752. The cubic root of 163187412 is about 546.4648324569.

The spelling of 163187412 in words is "one hundred sixty-three million, one hundred eighty-seven thousand, four hundred twelve".