40616216613 has 20 divisors (see below), whose sum is σ = 69341266720. Its totient is φ = 23209266312.

The previous prime is 40616216591. The next prime is 40616216623. The reversal of 40616216613 is 31661261604.

It is a happy number.

40616216613 is a `hidden beast` number, since 4 + 0 + 6 + 16 + 21 + 6 + 613 = 666.

It is not a de Polignac number, because 40616216613 - 2⁹ = 40616216101 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 (40616216623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35816203 + ... + 35817336.

It is an arithmetic number, because the mean of its divisors is an integer number (3467063336).

Almost surely, 2^40616216613 is an apocalyptic number.

It is an amenable number.

40616216613 is a deficient number, since it is larger than the sum of its proper divisors (28725050107).

40616216613 is an equidigital number, since it uses as much as digits as its factorization.

40616216613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71633558 (or 71633549 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 40616216613 in words is "forty billion, six hundred sixteen million, two hundred sixteen thousand, six hundred thirteen".