616499465436 has 36 divisors (see below), whose sum is σ = 1558397869392. Its totient is φ = 205496627904.

The previous prime is 616499465431. The next prime is 616499465447. The reversal of 616499465436 is 634564994616.

616499465436 is a `hidden beast` number, since 6 + 1 + 6 + 49 + 9 + 46 + 543 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616499465431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3841296 + ... + 3998568.

Almost surely, 2^616499465436 is an apocalyptic number.

It is an amenable number.

616499465436 is an abundant number, since it is smaller than the sum of its proper divisors (941898403956).

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

616499465436 is a wasteful number, since it uses less digits than its factorization.

616499465436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266170 (or 266165 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 63.

The spelling of 616499465436 in words is "six hundred sixteen billion, four hundred ninety-nine million, four hundred sixty-five thousand, four hundred thirty-six".