168774542 has 8 divisors (see below), whose sum is σ = 254678256. Its totient is φ = 83881792.

The previous prime is 168774539. The next prime is 168774559. The reversal of 168774542 is 245477861.

168774542 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 a junction number, because it is equal to n+sod(n) for n = 168774493 and 168774502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252323 + ... + 252990.

It is an arithmetic number, because the mean of its divisors is an integer number (31834782).

Almost surely, 2^168774542 is an apocalyptic number.

168774542 is a deficient number, since it is larger than the sum of its proper divisors (85903714).

168774542 is a wasteful number, since it uses less digits than its factorization.

168774542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505482.

The product of its digits is 376320, while the sum is 44.

The square root of 168774542 is about 12991.3256444444. The cubic root of 168774542 is about 552.6315126830.

The spelling of 168774542 in words is "one hundred sixty-eight million, seven hundred seventy-four thousand, five hundred forty-two".