66551010092 has 24 divisors (see below), whose sum is σ = 134419867680. Its totient is φ = 28239465600.

The previous prime is 66551010091. The next prime is 66551010103. The reversal of 66551010092 is 29001015566.

It is not an unprimeable number, because it can be changed into a prime (66551010091) 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, 11763617 + ... + 11769272.

It is an arithmetic number, because the mean of its divisors is an integer number (5600827820).

Almost surely, 2^66551010092 is an apocalyptic number.

It is an amenable number.

66551010092 is an abundant number, since it is smaller than the sum of its proper divisors (67868857588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66551010092 is a wasteful number, since it uses less digits than its factorization.

66551010092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23533001 (or 23532999 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 66551010092 in words is "sixty-six billion, five hundred fifty-one million, ten thousand, ninety-two".