16072969643 has 4 divisors (see below), whose sum is σ = 16083387888. Its totient is φ = 16062551400.

The previous prime is 16072969603. The next prime is 16072969667. The reversal of 16072969643 is 34696927061.

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

It is a cyclic number.

It is not a de Polignac number, because 16072969643 - 2⁶ = 16072969579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16072969603) 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, 5206808 + ... + 5209893.

It is an arithmetic number, because the mean of its divisors is an integer number (4020846972).

Almost surely, 2^16072969643 is an apocalyptic number.

16072969643 is a deficient number, since it is larger than the sum of its proper divisors (10418245).

16072969643 is a wasteful number, since it uses less digits than its factorization.

16072969643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418244.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 16072969643 in words is "sixteen billion, seventy-two million, nine hundred sixty-nine thousand, six hundred forty-three".