611541163 has 8 divisors (see below), whose sum is σ = 650103120. Its totient is φ = 573616800.

The previous prime is 611541157. The next prime is 611541173. The reversal of 611541163 is 361145116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611541163 - 2⁹ = 611540651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611541173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157420 + ... + 161257.

It is an arithmetic number, because the mean of its divisors is an integer number (81262890).

Almost surely, 2^611541163 is an apocalyptic number.

611541163 is a deficient number, since it is larger than the sum of its proper divisors (38561957).

611541163 is a wasteful number, since it uses less digits than its factorization.

611541163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318797.

The product of its digits is 2160, while the sum is 28.

The square root of 611541163 is about 24729.3583216387. The cubic root of 611541163 is about 848.8062425866.

Adding to 611541163 its reverse (361145116), we get a palindrome (972686279).

It can be divided in two parts, 6115 and 41163, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 611541163 in words is "six hundred eleven million, five hundred forty-one thousand, one hundred sixty-three".