6660621016710 has 32 divisors (see below), whose sum is σ = 16165102698720. Its totient is φ = 1756208686848.

The previous prime is 6660621016703. The next prime is 6660621016717. The reversal of 6660621016710 is 176101260666.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6660621016703) and next prime (6660621016717).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660621016717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247304637 + ... + 1247309976.

It is an arithmetic number, because the mean of its divisors is an integer number (505159459335).

Almost surely, 2^{6660621016710} is an apocalyptic number.

6660621016710 is an abundant number, since it is smaller than the sum of its proper divisors (9504481682010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6660621016710 is a wasteful number, since it uses less digits than its factorization.

6660621016710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494614712.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 6660621016710 in words is "six trillion, six hundred sixty billion, six hundred twenty-one million, sixteen thousand, seven hundred ten".