168907630 has 16 divisors (see below), whose sum is σ = 317253024. Its totient is φ = 64625440.

The previous prime is 168907621. The next prime is 168907637. The reversal of 168907630 is 36709861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168907637) 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 7 ways as a sum of consecutive naturals, for example, 366961 + ... + 367420.

It is an arithmetic number, because the mean of its divisors is an integer number (19828314).

Almost surely, 2^168907630 is an apocalyptic number.

168907630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168907630 is a deficient number, since it is larger than the sum of its proper divisors (148345394).

168907630 is a wasteful number, since it uses less digits than its factorization.

168907630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734411.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 168907630 is about 12996.4468221126. The cubic root of 168907630 is about 552.7767346222.

The spelling of 168907630 in words is "one hundred sixty-eight million, nine hundred seven thousand, six hundred thirty".