841431951616 has 27 divisors (see below), whose sum is σ = 1679606356323. Its totient is φ = 420708637440.

The previous prime is 841431951583. The next prime is 841431951617. The reversal of 841431951616 is 616159134148.

The square root of 841431951616 is 917296.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×841431951616² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 841431951616.

It is not an unprimeable number, because it can be changed into a prime (841431951617) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14648071 + ... + 14705401.

Almost surely, 2^841431951616 is an apocalyptic number.

841431951616 is the 917296-th square number.

It is an amenable number.

841431951616 is a deficient number, since it is larger than the sum of its proper divisors (838174404707).

841431951616 is an frugal number, since it uses more digits than its factorization.

841431951616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114678 (or 57333 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

Multiplying 841431951616 by its sum of digits (49), we get a square (41230165629184 = 6421072²).

The spelling of 841431951616 in words is "eight hundred forty-one billion, four hundred thirty-one million, nine hundred fifty-one thousand, six hundred sixteen".