611716 has 18 divisors (see below), whose sum is σ = 1245678. Its totient is φ = 262080.

The previous prime is 611707. The next prime is 611729. The reversal of 611716 is 617116.

611716 = 148² + 149² + ... + 171².

611716 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 298116 = 560^2 + 546^2 .

It is an unprimeable number.

611716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1365 + ... + 1756.

2⁶¹¹⁷¹⁶ is an apocalyptic number.

It is an amenable number.

611716 is an abundant number, since it is smaller than the sum of its proper divisors (633962).

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

611716 is a wasteful number, since it uses less digits than its factorization.

611716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3130 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 611716 is about 782.1227525140. The cubic root of 611716 is about 84.8887124903. Note that the first 3 decimals are identical.

The spelling of 611716 in words is "six hundred eleven thousand, seven hundred sixteen".