116388098649 has 9 divisors (see below), whose sum is σ = 168117620853. Its totient is φ = 77591383452.

The previous prime is 116388098641. The next prime is 116388098681. The reversal of 116388098649 is 946890883611.

The square root of 116388098649 is 341157.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 116388098649 - 2³ = 116388098641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116388098641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 966612 + ... + 1080330.

Almost surely, 2^116388098649 is an apocalyptic number.

116388098649 is the 341157-th square number.

116388098649 is the 170579-th centered octagonal number.

It is an amenable number.

116388098649 is a deficient number, since it is larger than the sum of its proper divisors (51729522204).

116388098649 is an frugal number, since it uses more digits than its factorization.

116388098649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227444 (or 113722 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 116388098649 in words is "one hundred sixteen billion, three hundred eighty-eight million, ninety-eight thousand, six hundred forty-nine".