168609694 has 8 divisors (see below), whose sum is σ = 275906808. Its totient is φ = 76640760.

The previous prime is 168609691. The next prime is 168609697. The reversal of 168609694 is 496906861.

168609694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (168609691) and next prime (168609697).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168609691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3832017 + ... + 3832060.

It is an arithmetic number, because the mean of its divisors is an integer number (34488351).

Almost surely, 2^168609694 is an apocalyptic number.

168609694 is a deficient number, since it is larger than the sum of its proper divisors (107297114).

168609694 is a wasteful number, since it uses less digits than its factorization.

168609694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664090.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 168609694 is about 12984.9795533147. The cubic root of 168609694 is about 552.4515292272.

The spelling of 168609694 in words is "one hundred sixty-eight million, six hundred nine thousand, six hundred ninety-four".