116662931571 has 8 divisors (see below), whose sum is σ = 155558237584. Its totient is φ = 77771456640.

The previous prime is 116662931549. The next prime is 116662931591. The reversal of 116662931571 is 175139266611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116662931571 - 2⁶ = 116662931507 is a prime.

It is a super-2 number, since 2×116662931571² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116662931571.

It is not an unprimeable number, because it can be changed into a prime (116662931591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885946 + ... + 1009071.

It is an arithmetic number, because the mean of its divisors is an integer number (19444779698).

Almost surely, 2^116662931571 is an apocalyptic number.

116662931571 is a deficient number, since it is larger than the sum of its proper divisors (38895306013).

116662931571 is a wasteful number, since it uses less digits than its factorization.

116662931571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915541.

The product of its digits is 408240, while the sum is 48.

The spelling of 116662931571 in words is "one hundred sixteen billion, six hundred sixty-two million, nine hundred thirty-one thousand, five hundred seventy-one".