133673165415 has 48 divisors (see below), whose sum is σ = 235469819520. Its totient is φ = 70138897920.

The previous prime is 133673165407. The next prime is 133673165419. The reversal of 133673165415 is 514561376331.

133673165415 is a `hidden beast` number, since 1 + 3 + 3 + 6 + 73 + 165 + 415 = 666.

It is not a de Polignac number, because 133673165415 - 2³ = 133673165407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133673165419) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 932049 + ... + 1065861.

It is an arithmetic number, because the mean of its divisors is an integer number (4905621240).

Almost surely, 2^133673165415 is an apocalyptic number.

133673165415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133673165415 is a deficient number, since it is larger than the sum of its proper divisors (101796654105).

133673165415 is a wasteful number, since it uses less digits than its factorization.

133673165415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134184 (or 134181 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 133673165415 in words is "one hundred thirty-three billion, six hundred seventy-three million, one hundred sixty-five thousand, four hundred fifteen".