16671342502525 has 24 divisors (see below), whose sum is σ = 20695441032000. Its totient is φ = 13322252841600.

The previous prime is 16671342502489. The next prime is 16671342502601. The reversal of 16671342502525 is 52520524317661.

It is a de Polignac number, because none of the positive numbers 2^k-16671342502525 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441033576 + ... + 441071374.

It is an arithmetic number, because the mean of its divisors is an integer number (862310043000).

Almost surely, 2^{16671342502525} is an apocalyptic number.

It is an amenable number.

16671342502525 is a deficient number, since it is larger than the sum of its proper divisors (4024098529475).

16671342502525 is a wasteful number, since it uses less digits than its factorization.

16671342502525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56949 (or 56944 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 16671342502525 in words is "sixteen trillion, six hundred seventy-one billion, three hundred forty-two million, five hundred two thousand, five hundred twenty-five".