101066605557 has 8 divisors (see below), whose sum is σ = 134969035200. Its totient is φ = 67270956480.

The previous prime is 101066605553. The next prime is 101066605579. The reversal of 101066605557 is 755506660101.

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

It is not a de Polignac number, because 101066605557 - 2² = 101066605553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101066605553) 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, 26692932 + ... + 26696717.

It is an arithmetic number, because the mean of its divisors is an integer number (16871129400).

Almost surely, 2^101066605557 is an apocalyptic number.

It is an amenable number.

101066605557 is a deficient number, since it is larger than the sum of its proper divisors (33902429643).

101066605557 is an equidigital number, since it uses as much as digits as its factorization.

101066605557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53390283.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 101066605557 in words is "one hundred one billion, sixty-six million, six hundred five thousand, five hundred fifty-seven".