66546750095 has 16 divisors (see below), whose sum is σ = 91274688000. Its totient is φ = 45626770464.

The previous prime is 66546750079. The next prime is 66546750181. The reversal of 66546750095 is 59005764566.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 66546750095 - 2⁴ = 66546750079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209324 + ... + 420606.

It is an arithmetic number, because the mean of its divisors is an integer number (5704668000).

Almost surely, 2^66546750095 is an apocalyptic number.

66546750095 is a deficient number, since it is larger than the sum of its proper divisors (24727937905).

66546750095 is a wasteful number, since it uses less digits than its factorization.

66546750095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220294.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 66546750095 in words is "sixty-six billion, five hundred forty-six million, seven hundred fifty thousand, ninety-five".