66132140551061 has 8 divisors (see below), whose sum is σ = 71219308558944. Its totient is φ = 61044984010800.

The previous prime is 66132140551031. The next prime is 66132140551063. The reversal of 66132140551061 is 16015504123166.

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 66132140551061 - 2²² = 66132136356757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66132140551063) 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, 11944586 + ... + 16581236.

It is an arithmetic number, because the mean of its divisors is an integer number (8902413569868).

Almost surely, 2^{66132140551061} is an apocalyptic number.

It is an amenable number.

66132140551061 is a deficient number, since it is larger than the sum of its proper divisors (5087168007883).

66132140551061 is a wasteful number, since it uses less digits than its factorization.

66132140551061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733811.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 66132140551061 in words is "sixty-six trillion, one hundred thirty-two billion, one hundred forty million, five hundred fifty-one thousand, sixty-one".