116645541 has 16 divisors (see below), whose sum is σ = 167523840. Its totient is φ = 71956080.

The previous prime is 116645521. The next prime is 116645549. The reversal of 116645541 is 145546611.

It is not a de Polignac number, because 116645541 - 2⁵ = 116645509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116645549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21345 + ... + 26246.

It is an arithmetic number, because the mean of its divisors is an integer number (10470240).

Almost surely, 2^116645541 is an apocalyptic number.

It is an amenable number.

116645541 is a deficient number, since it is larger than the sum of its proper divisors (50878299).

116645541 is a wasteful number, since it uses less digits than its factorization.

116645541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47656.

The product of its digits is 14400, while the sum is 33.

The square root of 116645541 is about 10800.2565247313. The cubic root of 116645541 is about 488.6029077926.

It can be divided in two parts, 11664 and 5541, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 116645541 in words is "one hundred sixteen million, six hundred forty-five thousand, five hundred forty-one".