133216762774656 has 128 divisors (see below), whose sum is σ = 386030508782400. Its totient is φ = 40368228454400.

The previous prime is 133216762774649. The next prime is 133216762774673. The reversal of 133216762774656 is 656477267612331.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 513766450 + ... + 514025678.

Almost surely, 2^{133216762774656} is an apocalyptic number.

133216762774656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133216762774656 is an abundant number, since it is smaller than the sum of its proper divisors (252813746007744).

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

133216762774656 is a wasteful number, since it uses less digits than its factorization.

133216762774656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380918 (or 380906 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 66.

The spelling of 133216762774656 in words is "one hundred thirty-three trillion, two hundred sixteen billion, seven hundred sixty-two million, seven hundred seventy-four thousand, six hundred fifty-six".