6660515050101 has 48 divisors (see below), whose sum is σ = 10780035372288. Its totient is φ = 3927204777600.

The previous prime is 6660515050097. The next prime is 6660515050177. The reversal of 6660515050101 is 1010505150666.

It is not a de Polignac number, because 6660515050101 - 2² = 6660515050097 is a prime.

It is a super-2 number, since 2×6660515050101² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660515050801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41351815 + ... + 41512571.

It is an arithmetic number, because the mean of its divisors is an integer number (224584070256).

Almost surely, 2^{6660515050101} is an apocalyptic number.

It is an amenable number.

6660515050101 is a deficient number, since it is larger than the sum of its proper divisors (4119520322187).

6660515050101 is a wasteful number, since it uses less digits than its factorization.

6660515050101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172122 (or 172119 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 6660515050101 in words is "six trillion, six hundred sixty billion, five hundred fifteen million, fifty thousand, one hundred one".