21160155316430 has 16 divisors (see below), whose sum is σ = 41018147229024. Its totient is φ = 7812980424480.

The previous prime is 21160155316429. The next prime is 21160155316499. The reversal of 21160155316430 is 3461355106112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81385212626 + ... + 81385212885.

It is an arithmetic number, because the mean of its divisors is an integer number (2563634201814).

Almost surely, 2^{21160155316430} is an apocalyptic number.

21160155316430 is a deficient number, since it is larger than the sum of its proper divisors (19857991912594).

21160155316430 is a wasteful number, since it uses less digits than its factorization.

21160155316430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162770425531.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 21160155316430 in words is "twenty-one trillion, one hundred sixty billion, one hundred fifty-five million, three hundred sixteen thousand, four hundred thirty".