660522495 has 8 divisors (see below), whose sum is σ = 1056836016. Its totient is φ = 352278656.

The previous prime is 660522491. The next prime is 660522509. The reversal of 660522495 is 594225066.

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

It is a cyclic number.

It is not a de Polignac number, because 660522495 - 2² = 660522491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660522491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22017402 + ... + 22017431.

It is an arithmetic number, because the mean of its divisors is an integer number (132104502).

Almost surely, 2^660522495 is an apocalyptic number.

660522495 is a deficient number, since it is larger than the sum of its proper divisors (396313521).

660522495 is a wasteful number, since it uses less digits than its factorization.

660522495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44034841.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 660522495 is about 25700.6321906680. The cubic root of 660522495 is about 870.8884634914. Note that the first 3 decimals are identical.

The spelling of 660522495 in words is "six hundred sixty million, five hundred twenty-two thousand, four hundred ninety-five".