116126776671661 has 12 divisors (see below), whose sum is σ = 135126323655840. Its totient is φ = 99507709495320.

The previous prime is 116126776671571. The next prime is 116126776671671. The reversal of 116126776671661 is 166176677621611.

It is not a de Polignac number, because 116126776671661 - 2⁴¹ = 113927753416109 is a prime.

It is a super-3 number, since 3×116126776671661³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116126776671593 and 116126776671602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116126776671671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351352801 + ... + 351683158.

It is an arithmetic number, because the mean of its divisors is an integer number (11260526971320).

Almost surely, 2^{116126776671661} is an apocalyptic number.

It is an amenable number.

116126776671661 is a deficient number, since it is larger than the sum of its proper divisors (18999546984179).

116126776671661 is an equidigital number, since it uses as much as digits as its factorization.

116126776671661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703039344 (or 703039337 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 64.

The spelling of 116126776671661 in words is "one hundred sixteen trillion, one hundred twenty-six billion, seven hundred seventy-six million, six hundred seventy-one thousand, six hundred sixty-one".