32006156443 has 16 divisors (see below), whose sum is σ = 33340320000. Its totient is φ = 30687969312.

The previous prime is 32006156423. The next prime is 32006156453. The reversal of 32006156443 is 34465160023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32006156443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32006156399 and 32006156408.

It is not an unprimeable number, because it can be changed into a prime (32006156423) 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, 3151668 + ... + 3161806.

It is an arithmetic number, because the mean of its divisors is an integer number (2083770000).

Almost surely, 2^32006156443 is an apocalyptic number.

32006156443 is a deficient number, since it is larger than the sum of its proper divisors (1334163557).

32006156443 is a wasteful number, since it uses less digits than its factorization.

32006156443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 32006156443 in words is "thirty-two billion, six million, one hundred fifty-six thousand, four hundred forty-three".