235151860668 has 12 divisors (see below), whose sum is σ = 548687674920. Its totient is φ = 78383953552.

The previous prime is 235151860667. The next prime is 235151860693. The reversal of 235151860668 is 866068151532.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 235151860668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235151860667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9797994183 + ... + 9797994206.

It is an arithmetic number, because the mean of its divisors is an integer number (45723972910).

Almost surely, 2^235151860668 is an apocalyptic number.

It is an amenable number.

235151860668 is an abundant number, since it is smaller than the sum of its proper divisors (313535814252).

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

235151860668 is a wasteful number, since it uses less digits than its factorization.

235151860668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19595988396 (or 19595988394 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 235151860668 in words is "two hundred thirty-five billion, one hundred fifty-one million, eight hundred sixty thousand, six hundred sixty-eight".