616443415152 has 40 divisors (see below), whose sum is σ = 1647391889040. Its totient is φ = 198395581440.

The previous prime is 616443415151. The next prime is 616443415153. The reversal of 616443415152 is 251514344616.

It is an interprime number because it is at equal distance from previous prime (616443415151) and next prime (616443415153).

It is a super-2 number, since 2×616443415152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616443415151) 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 7 ways as a sum of consecutive naturals, for example, 221422249 + ... + 221425032.

It is an arithmetic number, because the mean of its divisors is an integer number (41184797226).

Almost surely, 2^616443415152 is an apocalyptic number.

It is an amenable number.

616443415152 is an abundant number, since it is smaller than the sum of its proper divisors (1030948473888).

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

616443415152 is a wasteful number, since it uses less digits than its factorization.

616443415152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442847321 (or 442847315 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

Adding to 616443415152 its reverse (251514344616), we get a palindrome (867957759768).

The spelling of 616443415152 in words is "six hundred sixteen billion, four hundred forty-three million, four hundred fifteen thousand, one hundred fifty-two".