21160325015416 has 16 divisors (see below), whose sum is σ = 40234420805040. Its totient is φ = 10431146134080.

The previous prime is 21160325015407. The next prime is 21160325015471. The reversal of 21160325015416 is 61451052306112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18627046101 + ... + 18627047236.

It is an arithmetic number, because the mean of its divisors is an integer number (2514651300315).

Almost surely, 2^{21160325015416} is an apocalyptic number.

It is an amenable number.

21160325015416 is a deficient number, since it is larger than the sum of its proper divisors (19074095789624).

21160325015416 is a wasteful number, since it uses less digits than its factorization.

21160325015416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37254093414 (or 37254093410 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 21160325015416 in words is "twenty-one trillion, one hundred sixty billion, three hundred twenty-five million, fifteen thousand, four hundred sixteen".