611316 has 18 divisors (see below), whose sum is σ = 1545362. Its totient is φ = 203760.

The previous prime is 611297. The next prime is 611323. The reversal of 611316 is 613116.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 2916 = 780^2 + 54^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

611316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8455 + ... + 8526.

2⁶¹¹³¹⁶ is an apocalyptic number.

It is an amenable number.

611316 is an abundant number, since it is smaller than the sum of its proper divisors (934046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611316 is a wasteful number, since it uses less digits than its factorization.

611316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16991 (or 16986 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 611316 is about 781.8669963619. The cubic root of 611316 is about 84.8702055966.

It can be divided in two parts, 6 and 11316, that multiplied together give a triangular number (67896 = T₃₆₈).

The spelling of 611316 in words is "six hundred eleven thousand, three hundred sixteen".