261132662 has 24 divisors (see below), whose sum is σ = 475464816. Its totient is φ = 107047248.

The previous prime is 261132661. The next prime is 261132689. The reversal of 261132662 is 266231162.

261132662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261132661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55673 + ... + 60180.

It is an arithmetic number, because the mean of its divisors is an integer number (19811034).

Almost surely, 2^261132662 is an apocalyptic number.

261132662 is a deficient number, since it is larger than the sum of its proper divisors (214332154).

261132662 is a wasteful number, since it uses less digits than its factorization.

261132662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115892 (or 115885 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 261132662 is about 16159.5996856358. The cubic root of 261132662 is about 639.1759103532.

The spelling of 261132662 in words is "two hundred sixty-one million, one hundred thirty-two thousand, six hundred sixty-two".