21624156530134 has 16 divisors (see below), whose sum is σ = 34143528127680. Its totient is φ = 10242984590280.

The previous prime is 21624156530131. The next prime is 21624156530161. The reversal of 21624156530134 is 43103565142612.

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, 11707477 + ... + 13428079.

It is an arithmetic number, because the mean of its divisors is an integer number (2133970507980).

Almost surely, 2^{21624156530134} is an apocalyptic number.

21624156530134 is a deficient number, since it is larger than the sum of its proper divisors (12519371597546).

21624156530134 is a wasteful number, since it uses less digits than its factorization.

21624156530134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051355.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 21624156530134 in words is "twenty-one trillion, six hundred twenty-four billion, one hundred fifty-six million, five hundred thirty thousand, one hundred thirty-four".