117426520666 has 64 divisors (see below), whose sum is σ = 220314931200. Its totient is φ = 45702760896.

The previous prime is 117426520663. The next prime is 117426520691. The reversal of 117426520666 is 666025624711.

It is not an unprimeable number, because it can be changed into a prime (117426520663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4054545 + ... + 4083403.

It is an arithmetic number, because the mean of its divisors is an integer number (3442420800).

Almost surely, 2^117426520666 is an apocalyptic number.

117426520666 is a deficient number, since it is larger than the sum of its proper divisors (102888410534).

117426520666 is a wasteful number, since it uses less digits than its factorization.

117426520666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29243.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 117426520666 in words is "one hundred seventeen billion, four hundred twenty-six million, five hundred twenty thousand, six hundred sixty-six".