66027995 has 8 divisors (see below), whose sum is σ = 86436720. Its totient is φ = 48020320.

The previous prime is 66027979. The next prime is 66028003. The reversal of 66027995 is 59972066.

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

It is not a de Polignac number, because 66027995 - 2⁴ = 66027979 is a prime.

It is a super-2 number, since 2×66027995² = 8719392247440050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600200 + ... + 600309.

It is an arithmetic number, because the mean of its divisors is an integer number (10804590).

Almost surely, 2^66027995 is an apocalyptic number.

66027995 is a deficient number, since it is larger than the sum of its proper divisors (20408725).

66027995 is a wasteful number, since it uses less digits than its factorization.

66027995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200525.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 66027995 is about 8125.7611951127. The cubic root of 66027995 is about 404.1811326290.

The spelling of 66027995 in words is "sixty-six million, twenty-seven thousand, nine hundred ninety-five".