16725041641 has 32 divisors (see below), whose sum is σ = 21115100160. Its totient is φ = 12868891200.

The previous prime is 16725041623. The next prime is 16725041647. The reversal of 16725041641 is 14614052761.

It is not a de Polignac number, because 16725041641 - 2⁹ = 16725041129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16725041641.

It is not an unprimeable number, because it can be changed into a prime (16725041647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2573406 + ... + 2579896.

It is an arithmetic number, because the mean of its divisors is an integer number (659846880).

Almost surely, 2^16725041641 is an apocalyptic number.

16725041641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16725041641 is a deficient number, since it is larger than the sum of its proper divisors (4390058519).

16725041641 is a wasteful number, since it uses less digits than its factorization.

16725041641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 16725041641 in words is "sixteen billion, seven hundred twenty-five million, forty-one thousand, six hundred forty-one".