668160126 has 48 divisors (see below), whose sum is σ = 1485993600. Its totient is φ = 216903120.

The previous prime is 668160121. The next prime is 668160169. The reversal of 668160126 is 621061866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668160121) 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 23 ways as a sum of consecutive naturals, for example, 102925 + ... + 109223.

It is an arithmetic number, because the mean of its divisors is an integer number (30958200).

Almost surely, 2^668160126 is an apocalyptic number.

668160126 is an abundant number, since it is smaller than the sum of its proper divisors (817833474).

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

668160126 is a wasteful number, since it uses less digits than its factorization.

668160126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461 (or 6458 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 668160126 is about 25848.7935114968. The cubic root of 668160126 is about 874.2323066779.

The spelling of 668160126 in words is "six hundred sixty-eight million, one hundred sixty thousand, one hundred twenty-six".