2133466181625 has 64 divisors (see below), whose sum is σ = 3557905378560. Its totient is φ = 1135346009600.

The previous prime is 2133466181621. The next prime is 2133466181729. The reversal of 2133466181625 is 5261816643312.

It is not a de Polignac number, because 2133466181625 - 2² = 2133466181621 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2133466181621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387407122 + ... + 387412628.

It is an arithmetic number, because the mean of its divisors is an integer number (55592271540).

Almost surely, 2^{2133466181625} is an apocalyptic number.

2133466181625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2133466181625 is a deficient number, since it is larger than the sum of its proper divisors (1424439196935).

2133466181625 is a wasteful number, since it uses less digits than its factorization.

2133466181625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611 (or 7601 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The spelling of 2133466181625 in words is "two trillion, one hundred thirty-three billion, four hundred sixty-six million, one hundred eighty-one thousand, six hundred twenty-five".