168790506280 has 128 divisors (see below), whose sum is σ = 421823894400. Its totient is φ = 60267801600.

The previous prime is 168790506277. The next prime is 168790506281. The reversal of 168790506280 is 82605097861.

168790506280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168790506281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16447791 + ... + 16458049.

It is an arithmetic number, because the mean of its divisors is an integer number (3295499175).

Almost surely, 2^168790506280 is an apocalyptic number.

168790506280 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 168790506280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210911947200).

168790506280 is an abundant number, since it is smaller than the sum of its proper divisors (253033388120).

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

168790506280 is a wasteful number, since it uses less digits than its factorization.

168790506280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10955 (or 10951 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 168790506280 in words is "one hundred sixty-eight billion, seven hundred ninety million, five hundred six thousand, two hundred eighty".