6606215715157 has 16 divisors (see below), whose sum is σ = 7221523037184. Its totient is φ = 6016157280000.

The previous prime is 6606215715139. The next prime is 6606215715161. The reversal of 6606215715157 is 7515175126066.

It is a cyclic number.

It is not a de Polignac number, because 6606215715157 - 2¹¹ = 6606215713109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606215715137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655907 + ... + 4501807.

It is an arithmetic number, because the mean of its divisors is an integer number (451345189824).

Almost surely, 2^{6606215715157} is an apocalyptic number.

It is an amenable number.

6606215715157 is a deficient number, since it is larger than the sum of its proper divisors (615307322027).

6606215715157 is a wasteful number, since it uses less digits than its factorization.

6606215715157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852740.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 6606215715157 in words is "six trillion, six hundred six billion, two hundred fifteen million, seven hundred fifteen thousand, one hundred fifty-seven".