66091755002 has 16 divisors (see below), whose sum is σ = 122015548032. Its totient is φ = 26146188720.

The previous prime is 66091754959. The next prime is 66091755017. The reversal of 66091755002 is 20055719066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181570574 + ... + 181570937.

It is an arithmetic number, because the mean of its divisors is an integer number (7625971752).

Almost surely, 2^66091755002 is an apocalyptic number.

66091755002 is a deficient number, since it is larger than the sum of its proper divisors (55923793030).

66091755002 is a wasteful number, since it uses less digits than its factorization.

66091755002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363141533.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 66091755002 in words is "sixty-six billion, ninety-one million, seven hundred fifty-five thousand, two".