163426004 has 24 divisors (see below), whose sum is σ = 330794688. Its totient is φ = 69194880.

The previous prime is 163426001. The next prime is 163426019. The reversal of 163426004 is 400624361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163426001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32837 + ... + 37484.

It is an arithmetic number, because the mean of its divisors is an integer number (13783112).

Almost surely, 2^163426004 is an apocalyptic number.

163426004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163426004 is an abundant number, since it is smaller than the sum of its proper divisors (167368684).

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

163426004 is a wasteful number, since it uses less digits than its factorization.

163426004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70415 (or 70413 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 163426004 is about 12783.8180525225. The cubic root of 163426004 is about 546.7310266944.

The spelling of 163426004 in words is "one hundred sixty-three million, four hundred twenty-six thousand, four".