616071650572 has 72 divisors (see below), whose sum is σ = 1264771394880. Its totient is φ = 261798596640.

The previous prime is 616071650561. The next prime is 616071650653. The reversal of 616071650572 is 275056170616.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22080943 + ... + 22108825.

Almost surely, 2^616071650572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616071650572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632385697440).

616071650572 is an abundant number, since it is smaller than the sum of its proper divisors (648699744308).

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

616071650572 is a wasteful number, since it uses less digits than its factorization.

616071650572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28851 (or 28842 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 616071650572 in words is "six hundred sixteen billion, seventy-one million, six hundred fifty thousand, five hundred seventy-two".