612267635616 has 192 divisors, whose sum is σ = 1983409198848. Its totient is φ = 161043406848.

The previous prime is 612267635611. The next prime is 612267635659. The reversal of 612267635616 is 616536762216.

It is not an unprimeable number, because it can be changed into a prime (612267635611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3164580 + ... + 3352476.

It is an arithmetic number, because the mean of its divisors is an integer number (10330256244).

Almost surely, 2^612267635616 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 612267635616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991704599424).

612267635616 is an abundant number, since it is smaller than the sum of its proper divisors (1371141563232).

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

612267635616 is a wasteful number, since it uses less digits than its factorization.

612267635616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188303 (or 188295 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The spelling of 612267635616 in words is "six hundred twelve billion, two hundred sixty-seven million, six hundred thirty-five thousand, six hundred sixteen".