163766412 has 36 divisors (see below), whose sum is σ = 414859536. Its totient is φ = 54470880.

The previous prime is 163766401. The next prime is 163766413. The reversal of 163766412 is 214667361.

It is a happy number.

163766412 is a `hidden beast` number, since 1 + 6 + 3 + 7 + 6 + 641 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (163766413) 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 11 ways as a sum of consecutive naturals, for example, 12862 + ... + 22202.

It is an arithmetic number, because the mean of its divisors is an integer number (11523876).

Almost surely, 2^163766412 is an apocalyptic number.

163766412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163766412 is an abundant number, since it is smaller than the sum of its proper divisors (251093124).

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

163766412 is a wasteful number, since it uses less digits than its factorization.

163766412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9838 (or 9833 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 163766412 is about 12797.1251459068. The cubic root of 163766412 is about 547.1103676801.

The spelling of 163766412 in words is "one hundred sixty-three million, seven hundred sixty-six thousand, four hundred twelve".