116530643 has 4 divisors (see below), whose sum is σ = 120289728. Its totient is φ = 112771560.

The previous prime is 116530639. The next prime is 116530697. The reversal of 116530643 is 346035611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116530643 - 2² = 116530639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116530633) 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, 1879496 + ... + 1879557.

It is an arithmetic number, because the mean of its divisors is an integer number (30072432).

Almost surely, 2^116530643 is an apocalyptic number.

116530643 is a deficient number, since it is larger than the sum of its proper divisors (3759085).

116530643 is an equidigital number, since it uses as much as digits as its factorization.

116530643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759084.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 116530643 is about 10794.9359886940. The cubic root of 116530643 is about 488.4424274767.

The spelling of 116530643 in words is "one hundred sixteen million, five hundred thirty thousand, six hundred forty-three".