611233161 has 64 divisors (see below), whose sum is σ = 1047300096. Its totient is φ = 307929600.

The previous prime is 611233157. The next prime is 611233163. The reversal of 611233161 is 161332116.

611233161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 611233161 - 2² = 611233157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611233163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1129551 + ... + 1130091.

It is an arithmetic number, because the mean of its divisors is an integer number (16364064).

Almost surely, 2^611233161 is an apocalyptic number.

It is an amenable number.

611233161 is a deficient number, since it is larger than the sum of its proper divisors (436066935).

611233161 is a wasteful number, since it uses less digits than its factorization.

611233161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its digits is 648, while the sum is 24.

The square root of 611233161 is about 24723.1300809586. The cubic root of 611233161 is about 848.6637185622.

Adding to 611233161 its reverse (161332116), we get a palindrome (772565277).

The spelling of 611233161 in words is "six hundred eleven million, two hundred thirty-three thousand, one hundred sixty-one".