261464108 has 6 divisors (see below), whose sum is σ = 457562196. Its totient is φ = 130732052.

The previous prime is 261464107. The next prime is 261464129. The reversal of 261464108 is 801464162.

It is not an unprimeable number, because it can be changed into a prime (261464107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32683010 + ... + 32683017.

It is an arithmetic number, because the mean of its divisors is an integer number (76260366).

Almost surely, 2^261464108 is an apocalyptic number.

It is an amenable number.

261464108 is a deficient number, since it is larger than the sum of its proper divisors (196098088).

261464108 is a wasteful number, since it uses less digits than its factorization.

261464108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65366031 (or 65366029 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 261464108 is about 16169.8518236872. The cubic root of 261464108 is about 639.4462234427.

The spelling of 261464108 in words is "two hundred sixty-one million, four hundred sixty-four thousand, one hundred eight".