163801794 has 32 divisors (see below), whose sum is σ = 353291904. Its totient is φ = 50330880.

The previous prime is 163801787. The next prime is 163801811. The reversal of 163801794 is 497108361.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

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, 105387 + ... + 106929.

It is an arithmetic number, because the mean of its divisors is an integer number (11040372).

Almost surely, 2^163801794 is an apocalyptic number.

163801794 is an abundant number, since it is smaller than the sum of its proper divisors (189490110).

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

163801794 is a wasteful number, since it uses less digits than its factorization.

163801794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 163801794 is about 12798.5074911100. The cubic root of 163801794 is about 547.1497662048.

The spelling of 163801794 in words is "one hundred sixty-three million, eight hundred one thousand, seven hundred ninety-four".