260663146 has 8 divisors (see below), whose sum is σ = 393584544. Its totient is φ = 129468300.

The previous prime is 260663131. The next prime is 260663149. The reversal of 260663146 is 641366062.

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

It is not an unprimeable number, because it can be changed into a prime (260663149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431260 + ... + 431863.

It is an arithmetic number, because the mean of its divisors is an integer number (49198068).

Almost surely, 2^260663146 is an apocalyptic number.

260663146 is a deficient number, since it is larger than the sum of its proper divisors (132921398).

260663146 is a wasteful number, since it uses less digits than its factorization.

260663146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863276.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 260663146 is about 16145.0656858373. The cubic root of 260663146 is about 638.7926015323.

The spelling of 260663146 in words is "two hundred sixty million, six hundred sixty-three thousand, one hundred forty-six".