163373690880 has 416 divisors, whose sum is σ = 594407109120. Its totient is φ = 42546954240.

The previous prime is 163373690869. The next prime is 163373690881. The reversal of 163373690880 is 88096373361.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (163373690881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23773845 + ... + 23780715.

Almost surely, 2^163373690880 is an apocalyptic number.

163373690880 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 163373690880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297203554560).

163373690880 is an abundant number, since it is smaller than the sum of its proper divisors (431033418240).

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

163373690880 is an equidigital number, since it uses as much as digits as its factorization.

163373690880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 163373690880 in words is "one hundred sixty-three billion, three hundred seventy-three million, six hundred ninety thousand, eight hundred eighty".