16025452861 has 4 divisors (see below), whose sum is σ = 17482312224. Its totient is φ = 14568593500.

The previous prime is 16025452841. The next prime is 16025452873. The reversal of 16025452861 is 16825452061.

16025452861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16025452861 - 2²³ = 16017064253 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 (16025452841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728429665 + ... + 728429686.

It is an arithmetic number, because the mean of its divisors is an integer number (4370578056).

Almost surely, 2^16025452861 is an apocalyptic number.

16025452861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16025452861 is a deficient number, since it is larger than the sum of its proper divisors (1456859363).

16025452861 is a wasteful number, since it uses less digits than its factorization.

16025452861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456859362.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 16025452861 in words is "sixteen billion, twenty-five million, four hundred fifty-two thousand, eight hundred sixty-one".