260620066 has 8 divisors (see below), whose sum is σ = 446777280. Its totient is φ = 111694308.

The previous prime is 260620057. The next prime is 260620079. The reversal of 260620066 is 660026062.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9307846 + ... + 9307873.

It is an arithmetic number, because the mean of its divisors is an integer number (55847160).

Almost surely, 2^260620066 is an apocalyptic number.

260620066 is a deficient number, since it is larger than the sum of its proper divisors (186157214).

260620066 is a wasteful number, since it uses less digits than its factorization.

260620066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18615728.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 260620066 is about 16143.7314769541. The cubic root of 260620066 is about 638.7574083441.

The spelling of 260620066 in words is "two hundred sixty million, six hundred twenty thousand, sixty-six".