116666011020 has 96 divisors (see below), whose sum is σ = 355276232640. Its totient is φ = 28433433600.

The previous prime is 116666011001. The next prime is 116666011039. The reversal of 116666011020 is 20110666611.

It is an interprime number because it is at equal distance from previous prime (116666011001) and next prime (116666011039).

It is a super-2 number, since 2×116666011020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661675 + ... + 819234.

It is an arithmetic number, because the mean of its divisors is an integer number (3700794090).

Almost surely, 2^116666011020 is an apocalyptic number.

116666011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116666011020 is an abundant number, since it is smaller than the sum of its proper divisors (238610221620).

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

116666011020 is a wasteful number, since it uses less digits than its factorization.

116666011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481035 (or 1481033 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 116666011020 its reverse (20110666611), we get a palindrome (136776677631).

The spelling of 116666011020 in words is "one hundred sixteen billion, six hundred sixty-six million, eleven thousand, twenty".