168389463 has 32 divisors (see below), whose sum is σ = 259840512. Its totient is φ = 95990400.

The previous prime is 168389453. The next prime is 168389467. The reversal of 168389463 is 364983861.

168389463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168389463 - 2¹² = 168385367 is a prime.

It is a super-2 number, since 2×168389463² = 56710022498856738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168389467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44481 + ... + 48117.

It is an arithmetic number, because the mean of its divisors is an integer number (8120016).

Almost surely, 2^168389463 is an apocalyptic number.

168389463 is a deficient number, since it is larger than the sum of its proper divisors (91451049).

168389463 is a wasteful number, since it uses less digits than its factorization.

168389463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735.

The product of its digits is 746496, while the sum is 48.

The square root of 168389463 is about 12976.4965610907. The cubic root of 168389463 is about 552.2108946578.

The spelling of 168389463 in words is "one hundred sixty-eight million, three hundred eighty-nine thousand, four hundred sixty-three".