163294378000 has 320 divisors, whose sum is σ = 436499062272. Its totient is φ = 58711910400.

The previous prime is 163294377991. The next prime is 163294378003. The reversal of 163294378000 is 873492361.

It is a super-3 number, since 3×163294378000³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (163294378003) 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 63 ways as a sum of consecutive naturals, for example, 224613637 + ... + 224614363.

Almost surely, 2^163294378000 is an apocalyptic number.

163294378000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163294378000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218249531136).

163294378000 is an abundant number, since it is smaller than the sum of its proper divisors (273204684272).

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

163294378000 is a wasteful number, since it uses less digits than its factorization.

163294378000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 163294378000 in words is "one hundred sixty-three billion, two hundred ninety-four million, three hundred seventy-eight thousand".