168961744 has 20 divisors (see below), whose sum is σ = 374129824. Its totient is φ = 72412128.

The previous prime is 168961733. The next prime is 168961747. The reversal of 168961744 is 447169861.

It is a junction number, because it is equal to n+sod(n) for n = 168961694 and 168961703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168961747) 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, 754182 + ... + 754405.

Almost surely, 2^168961744 is an apocalyptic number.

168961744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

168961744 is an abundant number, since it is smaller than the sum of its proper divisors (205168080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168961744 is a wasteful number, since it uses less digits than its factorization.

168961744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508602 (or 1508596 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 168961744 is about 12998.5285321070. The cubic root of 168961744 is about 552.8357605058.

The spelling of 168961744 in words is "one hundred sixty-eight million, nine hundred sixty-one thousand, seven hundred forty-four".