16254601345 has 4 divisors (see below), whose sum is σ = 19505521620. Its totient is φ = 13003681072.

The previous prime is 16254601343. The next prime is 16254601351. The reversal of 16254601345 is 54310645261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12734671104 + 3519930241 = 112848^2 + 59329^2 .

It is a cyclic number.

It is not a de Polignac number, because 16254601345 - 2¹ = 16254601343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16254601343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625460130 + ... + 1625460139.

It is an arithmetic number, because the mean of its divisors is an integer number (4876380405).

Almost surely, 2^16254601345 is an apocalyptic number.

It is an amenable number.

16254601345 is a deficient number, since it is larger than the sum of its proper divisors (3250920275).

16254601345 is an equidigital number, since it uses as much as digits as its factorization.

16254601345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250920274.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 16254601345 in words is "sixteen billion, two hundred fifty-four million, six hundred one thousand, three hundred forty-five".