82161832803 has 8 divisors (see below), whose sum is σ = 109550457600. Its totient is φ = 54773881608.

The previous prime is 82161832787. The next prime is 82161832811. The reversal of 82161832803 is 30823816128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82161832803 - 2⁴ = 82161832787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82161836803) 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, 311938 + ... + 511496.

It is an arithmetic number, because the mean of its divisors is an integer number (13693807200).

Almost surely, 2^82161832803 is an apocalyptic number.

82161832803 is a deficient number, since it is larger than the sum of its proper divisors (27388624797).

82161832803 is a wasteful number, since it uses less digits than its factorization.

82161832803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336801.

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 82161832803 in words is "eighty-two billion, one hundred sixty-one million, eight hundred thirty-two thousand, eight hundred three".