6655616109995 has 16 divisors (see below), whose sum is σ = 8032324642560. Its totient is φ = 5294109842784.

The previous prime is 6655616109917. The next prime is 6655616110057. The reversal of 6655616109995 is 5999016165566.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6655616109995 - 2⁸ = 6655616109739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7063034 + ... + 7949696.

It is an arithmetic number, because the mean of its divisors is an integer number (502020290160).

Almost surely, 2^{6655616109995} is an apocalyptic number.

6655616109995 is a deficient number, since it is larger than the sum of its proper divisors (1376708532565).

6655616109995 is a wasteful number, since it uses less digits than its factorization.

6655616109995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895234.

The product of its (nonzero) digits is 118098000, while the sum is 68.

The spelling of 6655616109995 in words is "six trillion, six hundred fifty-five billion, six hundred sixteen million, one hundred nine thousand, nine hundred ninety-five".