616570116551 has 8 divisors (see below), whose sum is σ = 625831656960. Its totient is φ = 607310311608.

The previous prime is 616570116479. The next prime is 616570116557. The reversal of 616570116551 is 155611075616.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616570116551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616570116557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291050 + ... + 1147976.

It is an arithmetic number, because the mean of its divisors is an integer number (78228957120).

Almost surely, 2^616570116551 is an apocalyptic number.

616570116551 is a deficient number, since it is larger than the sum of its proper divisors (9261540409).

616570116551 is a wasteful number, since it uses less digits than its factorization.

616570116551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867733.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 616570116551 in words is "six hundred sixteen billion, five hundred seventy million, one hundred sixteen thousand, five hundred fifty-one".