168402741 has 16 divisors (see below), whose sum is σ = 242067840. Its totient is φ = 103521600.

The previous prime is 168402713. The next prime is 168402743. The reversal of 168402741 is 147204861.

168402741 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 168402741 - 2⁷ = 168402613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168402743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49080 + ... + 52398.

It is an arithmetic number, because the mean of its divisors is an integer number (15129240).

Almost surely, 2^168402741 is an apocalyptic number.

It is an amenable number.

168402741 is a deficient number, since it is larger than the sum of its proper divisors (73665099).

168402741 is a wasteful number, since it uses less digits than its factorization.

168402741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 168402741 is about 12977.0081682952. The cubic root of 168402741 is about 552.2254087559.

The spelling of 168402741 in words is "one hundred sixty-eight million, four hundred two thousand, seven hundred forty-one".