153919968 has 24 divisors (see below), whose sum is σ = 404040168. Its totient is φ = 51306624.

The previous prime is 153919903. The next prime is 153919973. The reversal of 153919968 is 869919351.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 153919968.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 801571 + ... + 801762.

It is an arithmetic number, because the mean of its divisors is an integer number (16835007).

Almost surely, 2^153919968 is an apocalyptic number.

It is an amenable number.

153919968 is an abundant number, since it is smaller than the sum of its proper divisors (250120200).

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

153919968 is a wasteful number, since it uses less digits than its factorization.

153919968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603346 (or 1603338 counting only the distinct ones).

The product of its digits is 524880, while the sum is 51.

The square root of 153919968 is about 12406.4486457648. The cubic root of 153919968 is about 535.9179721507.

The spelling of 153919968 in words is "one hundred fifty-three million, nine hundred nineteen thousand, nine hundred sixty-eight".