133523260160464 has 20 divisors (see below), whose sum is σ = 260738334805504. Its totient is φ = 66235947952608.

The previous prime is 133523260160449. The next prime is 133523260160467. The reversal of 133523260160464 is 464061062325331.

It is a super-2 number, since 2×133523260160464² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133523260160467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32855130882 + ... + 32855134945.

Almost surely, 2^{133523260160464} is an apocalyptic number.

It is an amenable number.

133523260160464 is a deficient number, since it is larger than the sum of its proper divisors (127215074645040).

133523260160464 is a wasteful number, since it uses less digits than its factorization.

133523260160464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65710265962 (or 65710265956 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 133523260160464 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, two hundred sixty million, one hundred sixty thousand, four hundred sixty-four".