916344543 has 4 divisors (see below), whose sum is σ = 1221792728. Its totient is φ = 610896360.

The previous prime is 916344511. The next prime is 916344563. The reversal of 916344543 is 345443619.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345443619 = 3 ⋅115147873.

It is not a de Polignac number, because 916344543 - 2⁵ = 916344511 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 (916344503) 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, 152724088 + ... + 152724093.

It is an arithmetic number, because the mean of its divisors is an integer number (305448182).

Almost surely, 2^916344543 is an apocalyptic number.

916344543 is a deficient number, since it is larger than the sum of its proper divisors (305448185).

916344543 is a wasteful number, since it uses less digits than its factorization.

916344543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305448184.

The product of its digits is 155520, while the sum is 39.

The square root of 916344543 is about 30271.1833762739. The cubic root of 916344543 is about 971.2989799210.

The spelling of 916344543 in words is "nine hundred sixteen million, three hundred forty-four thousand, five hundred forty-three".