916645141 has 4 divisors (see below), whose sum is σ = 941419372. Its totient is φ = 891870912.

The previous prime is 916645133. The next prime is 916645153. The reversal of 916645141 is 141546619.

916645141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 787026916 + 129618225 = 28054^2 + 11385^2 .

It is a cyclic number.

It is not a de Polignac number, because 916645141 - 2³ = 916645133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 24774193 = 916645141 / (9 + 1 + 6 + 6 + 4 + 5 + 1 + 4 + 1).

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 916645141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916642141) 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, 12387060 + ... + 12387133.

It is an arithmetic number, because the mean of its divisors is an integer number (235354843).

Almost surely, 2^916645141 is an apocalyptic number.

It is an amenable number.

916645141 is a deficient number, since it is larger than the sum of its proper divisors (24774231).

916645141 is a wasteful number, since it uses less digits than its factorization.

916645141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24774230.

The product of its digits is 25920, while the sum is 37.

The square root of 916645141 is about 30276.1480542027. The cubic root of 916645141 is about 971.4051767341.

The spelling of 916645141 in words is "nine hundred sixteen million, six hundred forty-five thousand, one hundred forty-one".