660060087 has 8 divisors (see below), whose sum is σ = 892136304. Its totient is φ = 434011968.

The previous prime is 660060061. The next prime is 660060103. The reversal of 660060087 is 780060066.

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

It is not a de Polignac number, because 660060087 - 2¹⁶ = 659994551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660060287) 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, 1506768 + ... + 1507205.

It is an arithmetic number, because the mean of its divisors is an integer number (111517038).

Almost surely, 2^660060087 is an apocalyptic number.

660060087 is a deficient number, since it is larger than the sum of its proper divisors (232076217).

660060087 is a wasteful number, since it uses less digits than its factorization.

660060087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014049.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 660060087 is about 25691.6345723662. The cubic root of 660060087 is about 870.6851901709.

The spelling of 660060087 in words is "six hundred sixty million, sixty thousand, eighty-seven".