16017266625 has 16 divisors (see below), whose sum is σ = 26652732288. Its totient is φ = 8542542000.

The previous prime is 16017266621. The next prime is 16017266633. The reversal of 16017266625 is 52666271061.

It is not a de Polignac number, because 16017266625 - 2² = 16017266621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16017266621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21355981 + ... + 21356730.

It is an arithmetic number, because the mean of its divisors is an integer number (1665795768).

Almost surely, 2^16017266625 is an apocalyptic number.

16017266625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16017266625 is a deficient number, since it is larger than the sum of its proper divisors (10635465663).

16017266625 is an equidigital number, since it uses as much as digits as its factorization.

16017266625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42712729 (or 42712719 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 16017266625 in words is "sixteen billion, seventeen million, two hundred sixty-six thousand, six hundred twenty-five".