16063642645 has 8 divisors (see below), whose sum is σ = 19277578656. Its totient is φ = 12850109136.

The previous prime is 16063642643. The next prime is 16063642697. The reversal of 16063642645 is 54624636061.

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 16063642645 - 2¹ = 16063642643 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 (16063642643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4467 + ... + 179296.

It is an arithmetic number, because the mean of its divisors is an integer number (2409697332).

Almost surely, 2^16063642645 is an apocalyptic number.

It is an amenable number.

16063642645 is a deficient number, since it is larger than the sum of its proper divisors (3213936011).

16063642645 is a wasteful number, since it uses less digits than its factorization.

16063642645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201251.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 16063642645 in words is "sixteen billion, sixty-three million, six hundred forty-two thousand, six hundred forty-five".