616541746161 has 8 divisors (see below), whose sum is σ = 896787994464. Its totient is φ = 373661664320.

The previous prime is 616541746159. The next prime is 616541746193. The reversal of 616541746161 is 161647145616.

616541746161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 616541746161 - 2¹ = 616541746159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616541746161.

It is not an unprimeable number, because it can be changed into a prime (616541742161) 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, 9341541576 + ... + 9341541641.

It is an arithmetic number, because the mean of its divisors is an integer number (112098499308).

Almost surely, 2^616541746161 is an apocalyptic number.

It is an amenable number.

616541746161 is a deficient number, since it is larger than the sum of its proper divisors (280246248303).

616541746161 is a wasteful number, since it uses less digits than its factorization.

616541746161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18683083231.

The product of its digits is 725760, while the sum is 48.

The spelling of 616541746161 in words is "six hundred sixteen billion, five hundred forty-one million, seven hundred forty-six thousand, one hundred sixty-one".