116615437 has 4 divisors (see below), whose sum is σ = 117817756. Its totient is φ = 115413120.

The previous prime is 116615417. The next prime is 116615479. The reversal of 116615437 is 734516611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18783556 + 97831881 = 4334^2 + 9891^2 .

It is a cyclic number.

It is not a de Polignac number, because 116615437 - 2¹⁹ = 116091149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116615417) 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, 601014 + ... + 601207.

It is an arithmetic number, because the mean of its divisors is an integer number (29454439).

Almost surely, 2^116615437 is an apocalyptic number.

It is an amenable number.

116615437 is a deficient number, since it is larger than the sum of its proper divisors (1202319).

116615437 is an equidigital number, since it uses as much as digits as its factorization.

116615437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202318.

The product of its digits is 15120, while the sum is 34.

The square root of 116615437 is about 10798.8627641988. The cubic root of 116615437 is about 488.5608711307.

The spelling of 116615437 in words is "one hundred sixteen million, six hundred fifteen thousand, four hundred thirty-seven".