21624156530133 has 8 divisors (see below), whose sum is σ = 28941836877888. Its totient is φ = 14361290267904.

The previous prime is 21624156530131. The next prime is 21624156530161. The reversal of 21624156530133 is 33103565142612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21624156530133 - 2¹ = 21624156530131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21624156530131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13703520460 + ... + 13703522037.

It is an arithmetic number, because the mean of its divisors is an integer number (3617729609736).

Almost surely, 2^{21624156530133} is an apocalyptic number.

It is an amenable number.

21624156530133 is a deficient number, since it is larger than the sum of its proper divisors (7317680347755).

21624156530133 is a wasteful number, since it uses less digits than its factorization.

21624156530133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27407042763.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 21624156530133 in words is "twenty-one trillion, six hundred twenty-four billion, one hundred fifty-six million, five hundred thirty thousand, one hundred thirty-three".