134017965666 has 288 divisors, whose sum is σ = 336683692800. Its totient is φ = 39916012032.

The previous prime is 134017965649. The next prime is 134017965709. The reversal of 134017965666 is 666569710431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 575184286 + ... + 575184518.

It is an arithmetic number, because the mean of its divisors is an integer number (1169040600).

Almost surely, 2^134017965666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134017965666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168341846400).

134017965666 is an abundant number, since it is smaller than the sum of its proper divisors (202665727134).

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

134017965666 is a wasteful number, since it uses less digits than its factorization.

134017965666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 134017965666 in words is "one hundred thirty-four billion, seventeen million, nine hundred sixty-five thousand, six hundred sixty-six".