168696730 has 16 divisors (see below), whose sum is σ = 313449984. Its totient is φ = 65301840.

The previous prime is 168696719. The next prime is 168696733. The reversal of 168696730 is 37696861.

It is not an unprimeable number, because it can be changed into a prime (168696733) 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, 271782 + ... + 272401.

It is an arithmetic number, because the mean of its divisors is an integer number (19590624).

Almost surely, 2^168696730 is an apocalyptic number.

168696730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168696730 is a deficient number, since it is larger than the sum of its proper divisors (144753254).

168696730 is a wasteful number, since it uses less digits than its factorization.

168696730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544221.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 168696730 is about 12988.3305316734. The cubic root of 168696730 is about 552.5465710148.

The spelling of 168696730 in words is "one hundred sixty-eight million, six hundred ninety-six thousand, seven hundred thirty".