66732007901 has 8 divisors (see below), whose sum is σ = 71922795000. Its totient is φ = 61549443072.

The previous prime is 66732007891. The next prime is 66732007933. The reversal of 66732007901 is 10970023766.

It can be written as a sum of positive squares in 4 ways, for example, as 322202500 + 66409805401 = 17950^2 + 257701^2 .

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

It is not a de Polignac number, because 66732007901 - 2¹⁰ = 66732006877 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 (66732007501) by changing a digit.

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, 2038700 + ... + 2071173.

It is an arithmetic number, because the mean of its divisors is an integer number (8990349375).

Almost surely, 2^66732007901 is an apocalyptic number.

It is an amenable number.

66732007901 is a deficient number, since it is larger than the sum of its proper divisors (5190787099).

66732007901 is a wasteful number, since it uses less digits than its factorization.

66732007901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111135.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 66732007901 in words is "sixty-six billion, seven hundred thirty-two million, seven thousand, nine hundred one".