260506146 has 8 divisors (see below), whose sum is σ = 521012304. Its totient is φ = 86835380.

The previous prime is 260506109. The next prime is 260506151. The reversal of 260506146 is 641605062.

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

260506146 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21708840 + ... + 21708851.

It is an arithmetic number, because the mean of its divisors is an integer number (65126538).

Almost surely, 2^260506146 is an apocalyptic number.

260506146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260506146 is a wasteful number, since it uses less digits than its factorization.

260506146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43417696.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 260506146 is about 16140.2027868302. The cubic root of 260506146 is about 638.6643254002.

The spelling of 260506146 in words is "two hundred sixty million, five hundred six thousand, one hundred forty-six".