133774111664 has 80 divisors (see below), whose sum is σ = 279834589440. Its totient is φ = 61720289280.

The previous prime is 133774111643. The next prime is 133774111697. The reversal of 133774111664 is 466111477331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5180417 + ... + 5206175.

It is an arithmetic number, because the mean of its divisors is an integer number (3497932368).

Almost surely, 2^133774111664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133774111664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139917294720).

133774111664 is an abundant number, since it is smaller than the sum of its proper divisors (146060477776).

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

133774111664 is a wasteful number, since it uses less digits than its factorization.

133774111664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26158 (or 26152 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

Adding to 133774111664 its reverse (466111477331), we get a palindrome (599885588995).

The spelling of 133774111664 in words is "one hundred thirty-three billion, seven hundred seventy-four million, one hundred eleven thousand, six hundred sixty-four".