616600621132 has 6 divisors (see below), whose sum is σ = 1079051086988. Its totient is φ = 308300310564.

The previous prime is 616600621129. The next prime is 616600621139. The reversal of 616600621132 is 231126006616.

It is a super-2 number, since 2×616600621132² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (616600621139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77075077638 + ... + 77075077645.

Almost surely, 2^616600621132 is an apocalyptic number.

It is an amenable number.

616600621132 is a deficient number, since it is larger than the sum of its proper divisors (462450465856).

616600621132 is a wasteful number, since it uses less digits than its factorization.

616600621132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154150155287 (or 154150155285 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 616600621132 its reverse (231126006616), we get a palindrome (847726627748).

The spelling of 616600621132 in words is "six hundred sixteen billion, six hundred million, six hundred twenty-one thousand, one hundred thirty-two".