168693601 has 8 divisors (see below), whose sum is σ = 182771424. Its totient is φ = 155077440.

The previous prime is 168693593. The next prime is 168693607. The reversal of 168693601 is 106396861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168693601 - 2³ = 168693593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168693607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114655 + ... + 116116.

It is an arithmetic number, because the mean of its divisors is an integer number (22846428).

Almost surely, 2^168693601 is an apocalyptic number.

It is an amenable number.

168693601 is a deficient number, since it is larger than the sum of its proper divisors (14077823).

168693601 is a wasteful number, since it uses less digits than its factorization.

168693601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230831.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 168693601 is about 12988.2100768351. The cubic root of 168693601 is about 552.5431547682.

The spelling of 168693601 in words is "one hundred sixty-eight million, six hundred ninety-three thousand, six hundred one".