234881914428656 has 160 divisors (see below), whose sum is σ = 532287022164480. Its totient is φ = 99333719654400.

The previous prime is 234881914428619. The next prime is 234881914428677. The reversal of 234881914428656 is 656824419188432.

It is a self number, because there is not a number n which added to its sum of digits gives 234881914428656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39149840 + ... + 44749008.

It is an arithmetic number, because the mean of its divisors is an integer number (3326793888528).

Almost surely, 2^{234881914428656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234881914428656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266143511082240).

234881914428656 is an abundant number, since it is smaller than the sum of its proper divisors (297405107735824).

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

234881914428656 is a wasteful number, since it uses less digits than its factorization.

234881914428656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599495 (or 5599489 counting only the distinct ones).

The product of its digits is 637009920, while the sum is 71.

The spelling of 234881914428656 in words is "two hundred thirty-four trillion, eight hundred eighty-one billion, nine hundred fourteen million, four hundred twenty-eight thousand, six hundred fifty-six".