133523244656416 has 12 divisors (see below), whose sum is σ = 262873887917382. Its totient is φ = 66761622328192.

The previous prime is 133523244656381. The next prime is 133523244656449. The reversal of 133523244656416 is 614656442325331.

It can be written as a sum of positive squares in only one way, i.e., 121418272848016 + 12104971808400 = 11018996^2 + 3479220^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086300697725 + ... + 2086300697788.

Almost surely, 2^{133523244656416} is an apocalyptic number.

133523244656416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133523244656416 is a deficient number, since it is larger than the sum of its proper divisors (129350643260966).

133523244656416 is an equidigital number, since it uses as much as digits as its factorization.

133523244656416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172601395523 (or 4172601395515 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 55.

The spelling of 133523244656416 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, two hundred forty-four million, six hundred fifty-six thousand, four hundred sixteen".