2660778526101 has 8 divisors (see below), whose sum is σ = 3614642526240. Its totient is φ = 1740383438352.

The previous prime is 2660778526073. The next prime is 2660778526117. The reversal of 2660778526101 is 1016258770662.

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

It is not a de Polignac number, because 2660778526101 - 2⁷ = 2660778525973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660778526001) 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, 8367227911 + ... + 8367228228.

It is an arithmetic number, because the mean of its divisors is an integer number (451830315780).

Almost surely, 2^{2660778526101} is an apocalyptic number.

It is an amenable number.

2660778526101 is a deficient number, since it is larger than the sum of its proper divisors (953864000139).

2660778526101 is a wasteful number, since it uses less digits than its factorization.

2660778526101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16734456195.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 2660778526101 in words is "two trillion, six hundred sixty billion, seven hundred seventy-eight million, five hundred twenty-six thousand, one hundred one".