616227621527 has 4 divisors (see below), whose sum is σ = 704260138896. Its totient is φ = 528195104160.

The previous prime is 616227621437. The next prime is 616227621551. The reversal of 616227621527 is 725126722616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616227621527 - 2⁸ = 616227621271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616227620527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44016258674 + ... + 44016258687.

It is an arithmetic number, because the mean of its divisors is an integer number (176065034724).

Almost surely, 2^616227621527 is an apocalyptic number.

616227621527 is a deficient number, since it is larger than the sum of its proper divisors (88032517369).

616227621527 is an equidigital number, since it uses as much as digits as its factorization.

616227621527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88032517368.

The product of its digits is 846720, while the sum is 47.

The spelling of 616227621527 in words is "six hundred sixteen billion, two hundred twenty-seven million, six hundred twenty-one thousand, five hundred twenty-seven".