100565061605616 has 40 divisors (see below), whose sum is σ = 260428266759760. Its totient is φ = 33439727079936.

The previous prime is 100565061605611. The next prime is 100565061605699. The reversal of 100565061605616 is 616506160565001.

It is a super-2 number, since 2×100565061605616² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100565061605611) 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, 2561233975 + ... + 2561273238.

It is an arithmetic number, because the mean of its divisors is an integer number (6510706668994).

Almost surely, 2^{100565061605616} is an apocalyptic number.

100565061605616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100565061605616 is an abundant number, since it is smaller than the sum of its proper divisors (159863205154144).

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

100565061605616 is a wasteful number, since it uses less digits than its factorization.

100565061605616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122507633 (or 5122507627 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 100565061605616 in words is "one hundred trillion, five hundred sixty-five billion, sixty-one million, six hundred five thousand, six hundred sixteen".