32161110819 has 4 divisors (see below), whose sum is σ = 42881481096. Its totient is φ = 21440740544.

The previous prime is 32161110781. The next prime is 32161110823. The reversal of 32161110819 is 91801116123.

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 32161110819 - 2⁷ = 32161110691 is a prime.

It is a super-2 number, since 2×32161110819² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32161110819.

It is not an unprimeable number, because it can be changed into a prime (32161120819) 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, 5360185134 + ... + 5360185139.

It is an arithmetic number, because the mean of its divisors is an integer number (10720370274).

Almost surely, 2^32161110819 is an apocalyptic number.

32161110819 is a deficient number, since it is larger than the sum of its proper divisors (10720370277).

32161110819 is a wasteful number, since it uses less digits than its factorization.

32161110819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720370276.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 32161110819 in words is "thirty-two billion, one hundred sixty-one million, one hundred ten thousand, eight hundred nineteen".