168628746 has 96 divisors (see below), whose sum is σ = 423105984. Its totient is φ = 44352000.

The previous prime is 168628741. The next prime is 168628771. The reversal of 168628746 is 647826861.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168628695 and 168628704.

It is not an unprimeable number, because it can be changed into a prime (168628741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159921 + ... + 160971.

It is an arithmetic number, because the mean of its divisors is an integer number (4407354).

Almost surely, 2^168628746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168628746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211552992).

168628746 is an abundant number, since it is smaller than the sum of its proper divisors (254477238).

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

168628746 is a wasteful number, since it uses less digits than its factorization.

168628746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1097 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 168628746 is about 12985.7131494578. The cubic root of 168628746 is about 552.4723364731.

The spelling of 168628746 in words is "one hundred sixty-eight million, six hundred twenty-eight thousand, seven hundred forty-six".