616530763412 has 24 divisors (see below), whose sum is σ = 1135769107200. Its totient is φ = 292026862656.

The previous prime is 616530763379. The next prime is 616530763489. The reversal of 616530763412 is 214367035616.

It is a super-2 number, since 2×616530763412² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493789 + ... + 1861307.

It is an arithmetic number, because the mean of its divisors is an integer number (47323712800).

Almost surely, 2^616530763412 is an apocalyptic number.

It is an amenable number.

616530763412 is a deficient number, since it is larger than the sum of its proper divisors (519238343788).

616530763412 is a wasteful number, since it uses less digits than its factorization.

616530763412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389615 (or 389613 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 616530763412 in words is "six hundred sixteen billion, five hundred thirty million, seven hundred sixty-three thousand, four hundred twelve".