16621482373125 has 160 divisors (see below), whose sum is σ = 31740207882240. Its totient is φ = 7576735680000.

The previous prime is 16621482373121. The next prime is 16621482373183. The reversal of 16621482373125 is 52137328412661.

It is not a de Polignac number, because 16621482373125 - 2² = 16621482373121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16621482373121) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 11223147385 + ... + 11223148865.

It is an arithmetic number, because the mean of its divisors is an integer number (198376299264).

Almost surely, 2^{16621482373125} is an apocalyptic number.

16621482373125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16621482373125 is a deficient number, since it is larger than the sum of its proper divisors (15118725509115).

16621482373125 is a wasteful number, since it uses less digits than its factorization.

16621482373125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373 (or 3358 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 16621482373125 in words is "sixteen trillion, six hundred twenty-one billion, four hundred eighty-two million, three hundred seventy-three thousand, one hundred twenty-five".