66552095 has 8 divisors (see below), whose sum is σ = 79910064. Its totient is φ = 53209984.

The previous prime is 66552077. The next prime is 66552097. The reversal of 66552095 is 59025566.

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 66552095 - 2¹⁰ = 66551071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66552097) 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, 9332 + ... + 14838.

It is an arithmetic number, because the mean of its divisors is an integer number (9988758).

Almost surely, 2^66552095 is an apocalyptic number.

66552095 is a deficient number, since it is larger than the sum of its proper divisors (13357969).

66552095 is a wasteful number, since it uses less digits than its factorization.

66552095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 66552095 is about 8157.9467392231. The cubic root of 66552095 is about 405.2477171728.

The spelling of 66552095 in words is "sixty-six million, five hundred fifty-two thousand, ninety-five".