19925016541 has 8 divisors (see below), whose sum is σ = 20793407040. Its totient is φ = 19056799872.

The previous prime is 19925016523. The next prime is 19925016547. The reversal of 19925016541 is 14561052991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19925016541 - 2¹⁷ = 19924885469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19925016547) by changing a digit.

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, 226546 + ... + 301948.

It is an arithmetic number, because the mean of its divisors is an integer number (2599175880).

Almost surely, 2^19925016541 is an apocalyptic number.

It is an amenable number.

19925016541 is a deficient number, since it is larger than the sum of its proper divisors (868390499).

19925016541 is a wasteful number, since it uses less digits than its factorization.

19925016541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86915.

The product of its (nonzero) digits is 97200, while the sum is 43.

The spelling of 19925016541 in words is "nineteen billion, nine hundred twenty-five million, sixteen thousand, five hundred forty-one".