116649697 has 4 divisors (see below), whose sum is σ = 116940996. Its totient is φ = 116358400.

The previous prime is 116649691. The next prime is 116649703. The reversal of 116649697 is 796946611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796946611 = 8389 ⋅94999.

It is an interprime number because it is at equal distance from previous prime (116649691) and next prime (116649703).

It can be written as a sum of positive squares in 2 ways, for example, as 87909376 + 28740321 = 9376^2 + 5361^2 .

It is a cyclic number.

It is not a de Polignac number, because 116649697 - 2¹⁹ = 116125409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116649697.

It is not an unprimeable number, because it can be changed into a prime (116649691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145048 + ... + 145849.

It is an arithmetic number, because the mean of its divisors is an integer number (29235249).

Almost surely, 2^116649697 is an apocalyptic number.

It is an amenable number.

116649697 is a deficient number, since it is larger than the sum of its proper divisors (291299).

116649697 is an equidigital number, since it uses as much as digits as its factorization.

116649697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291298.

The product of its digits is 489888, while the sum is 49.

The square root of 116649697 is about 10800.4489258549. The cubic root of 116649697 is about 488.6087105849.

The spelling of 116649697 in words is "one hundred sixteen million, six hundred forty-nine thousand, six hundred ninety-seven".