168293696 has 14 divisors (see below), whose sum is σ = 333957930. Its totient is φ = 84146816.

The previous prime is 168293639. The next prime is 168293707. The reversal of 168293696 is 696392861.

It can be written as a sum of positive squares in only one way, i.e., 100000000 + 68293696 = 10000^2 + 8264^2 .

It is a super-2 number, since 2×168293696² = 56645536226680832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314731 + ... + 1314858.

Almost surely, 2^168293696 is an apocalyptic number.

168293696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168293696 is a deficient number, since it is larger than the sum of its proper divisors (165664234).

168293696 is an equidigital number, since it uses as much as digits as its factorization.

168293696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629601 (or 2629591 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 168293696 is about 12972.8060187455. The cubic root of 168293696 is about 552.1061897506.

The spelling of 168293696 in words is "one hundred sixty-eight million, two hundred ninety-three thousand, six hundred ninety-six".