168761372 has 18 divisors (see below), whose sum is σ = 319799088. Its totient is φ = 77889552.

The previous prime is 168761347. The next prime is 168761377. The reversal of 168761372 is 273167861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168761377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124148 + ... + 125499.

It is an arithmetic number, because the mean of its divisors is an integer number (17766616).

Almost surely, 2^168761372 is an apocalyptic number.

It is an amenable number.

168761372 is a deficient number, since it is larger than the sum of its proper divisors (151037716).

168761372 is a wasteful number, since it uses less digits than its factorization.

168761372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249677 (or 249662 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 168761372 is about 12990.8187578767. The cubic root of 168761372 is about 552.6171377931.

The spelling of 168761372 in words is "one hundred sixty-eight million, seven hundred sixty-one thousand, three hundred seventy-two".