16425413634375 has 240 divisors, whose sum is σ = 31263189027840. Its totient is φ = 8592091200000.

The previous prime is 16425413634361. The next prime is 16425413634389. The reversal of 16425413634375 is 57343631452461.

16425413634375 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 541 + 3 + 63 + 4 + 37 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (16425413634361) and next prime (16425413634389).

It is not a de Polignac number, because 16425413634375 - 2⁴ = 16425413634359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 2861069005 + ... + 2861074745.

It is an arithmetic number, because the mean of its divisors is an integer number (130263287616).

Almost surely, 2^{16425413634375} is an apocalyptic number.

16425413634375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16425413634375 is a deficient number, since it is larger than the sum of its proper divisors (14837775393465).

16425413634375 is an frugal number, since it uses more digits than its factorization.

16425413634375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994 (or 5965 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 54.

The spelling of 16425413634375 in words is "sixteen trillion, four hundred twenty-five billion, four hundred thirteen million, six hundred thirty-four thousand, three hundred seventy-five".