616805620572 has 24 divisors (see below), whose sum is σ = 1439293969792. Its totient is φ = 205590322800.

The previous prime is 616805620567. The next prime is 616805620591. The reversal of 616805620572 is 275026508616.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219954 + ... + 1649817.

Almost surely, 2^616805620572 is an apocalyptic number.

It is an amenable number.

616805620572 is an abundant number, since it is smaller than the sum of its proper divisors (822488349220).

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

616805620572 is a wasteful number, since it uses less digits than its factorization.

616805620572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887689 (or 2887687 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 616805620572 in words is "six hundred sixteen billion, eight hundred five million, six hundred twenty thousand, five hundred seventy-two".