168450747 has 8 divisors (see below), whose sum is σ = 225123840. Its totient is φ = 112039080.

The previous prime is 168450701. The next prime is 168450749. The reversal of 168450747 is 747054861.

168450747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 168450747 - 2²⁴ = 151673531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168450699 and 168450708.

It is not an unprimeable number, because it can be changed into a prime (168450749) 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, 63847 + ... + 66432.

It is an arithmetic number, because the mean of its divisors is an integer number (28140480).

Almost surely, 2^168450747 is an apocalyptic number.

168450747 is a deficient number, since it is larger than the sum of its proper divisors (56673093).

168450747 is a wasteful number, since it uses less digits than its factorization.

168450747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130713.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 168450747 is about 12978.8576924165. The cubic root of 168450747 is about 552.2778774472.

The spelling of 168450747 in words is "one hundred sixty-eight million, four hundred fifty thousand, seven hundred forty-seven".