116161588649 has 4 divisors (see below), whose sum is σ = 116164798464. Its totient is φ = 116158378836.

The previous prime is 116161588643. The next prime is 116161588663. The reversal of 116161588649 is 946885161611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116161588649 - 2¹⁶ = 116161523113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116161588594 and 116161588603.

It is not an unprimeable number, because it can be changed into a prime (116161588643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549997 + ... + 1623210.

It is an arithmetic number, because the mean of its divisors is an integer number (29041199616).

Almost surely, 2^116161588649 is an apocalyptic number.

It is an amenable number.

116161588649 is a deficient number, since it is larger than the sum of its proper divisors (3209815).

116161588649 is an equidigital number, since it uses as much as digits as its factorization.

116161588649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209814.

The product of its digits is 2488320, while the sum is 56.

The spelling of 116161588649 in words is "one hundred sixteen billion, one hundred sixty-one million, five hundred eighty-eight thousand, six hundred forty-nine".