6656701061615 has 16 divisors (see below), whose sum is σ = 8714367573120. Its totient is φ = 4841158953120.

The previous prime is 6656701061489. The next prime is 6656701061617. The reversal of 6656701061615 is 5161601076566.

It is not a de Polignac number, because 6656701061615 - 2¹⁴ = 6656701045231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656701061617) 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, 2575772 + ... + 4466318.

It is an arithmetic number, because the mean of its divisors is an integer number (544647973320).

Almost surely, 2^{6656701061615} is an apocalyptic number.

6656701061615 is a deficient number, since it is larger than the sum of its proper divisors (2057666511505).

6656701061615 is a wasteful number, since it uses less digits than its factorization.

6656701061615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954582.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 6656701061615 in words is "six trillion, six hundred fifty-six billion, seven hundred one million, sixty-one thousand, six hundred fifteen".