261370612 has 24 divisors (see below), whose sum is σ = 485987040. Its totient is φ = 122646240.

The previous prime is 261370607. The next prime is 261370633. The reversal of 261370612 is 216073162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7939 + ... + 24202.

It is an arithmetic number, because the mean of its divisors is an integer number (20249460).

Almost surely, 2^261370612 is an apocalyptic number.

It is an amenable number.

261370612 is a deficient number, since it is larger than the sum of its proper divisors (224616428).

261370612 is a wasteful number, since it uses less digits than its factorization.

261370612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32271 (or 32269 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 261370612 is about 16166.9605059207. The cubic root of 261370612 is about 639.3699952723.

The spelling of 261370612 in words is "two hundred sixty-one million, three hundred seventy thousand, six hundred twelve".