116616140616621 has 16 divisors (see below), whose sum is σ = 159691459803264. Its totient is φ = 75642480978624.

The previous prime is 116616140616617. The next prime is 116616140616629. The reversal of 116616140616621 is 126616041616611.

It is not a de Polignac number, because 116616140616621 - 2² = 116616140616617 is a prime.

It is a super-2 number, since 2×116616140616621² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116616140616629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17764135 + ... + 23426411.

It is an arithmetic number, because the mean of its divisors is an integer number (9980716237704).

Almost surely, 2^{116616140616621} is an apocalyptic number.

It is an amenable number.

116616140616621 is a deficient number, since it is larger than the sum of its proper divisors (43075319186643).

116616140616621 is a wasteful number, since it uses less digits than its factorization.

116616140616621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847860.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 116616140616621 in words is "one hundred sixteen trillion, six hundred sixteen billion, one hundred forty million, six hundred sixteen thousand, six hundred twenty-one".