27230273616 has 160 divisors (see below), whose sum is σ = 87374129920. Its totient is φ = 7115599872.

The previous prime is 27230273593. The next prime is 27230273621. The reversal of 27230273616 is 61637203272.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 447516 + ... + 504708.

It is an arithmetic number, because the mean of its divisors is an integer number (546088312).

Almost surely, 2^27230273616 is an apocalyptic number.

27230273616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27230273616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43687064960).

27230273616 is an abundant number, since it is smaller than the sum of its proper divisors (60143856304).

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

27230273616 is a wasteful number, since it uses less digits than its factorization.

27230273616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57333 (or 57327 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

Adding to 27230273616 its reverse (61637203272), we get a palindrome (88867476888).

The spelling of 27230273616 in words is "twenty-seven billion, two hundred thirty million, two hundred seventy-three thousand, six hundred sixteen".