665000116140 has 192 divisors, whose sum is σ = 1925528596992. Its totient is φ = 171376128000.

The previous prime is 665000116139. The next prime is 665000116163. The reversal of 665000116140 is 41611000566.

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

It is a junction number, because it is equal to n+sod(n) for n = 665000116098 and 665000116107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201452490 + ... + 201455790.

It is an arithmetic number, because the mean of its divisors is an integer number (10028794776).

Almost surely, 2^665000116140 is an apocalyptic number.

665000116140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 665000116140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962764298496).

665000116140 is an abundant number, since it is smaller than the sum of its proper divisors (1260528480852).

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

665000116140 is a wasteful number, since it uses less digits than its factorization.

665000116140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160 (or 4158 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 665000116140 in words is "six hundred sixty-five billion, one hundred sixteen thousand, one hundred forty".