82345660021658 has 8 divisors (see below), whose sum is σ = 134747443671840. Its totient is φ = 37429845464380.

The previous prime is 82345660021601. The next prime is 82345660021697. The reversal of 82345660021658 is 85612006654328.

It is a happy number.

82345660021658 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871492273198 + ... + 1871492273241.

It is an arithmetic number, because the mean of its divisors is an integer number (16843430458980).

Almost surely, 2^{82345660021658} is an apocalyptic number.

82345660021658 is a deficient number, since it is larger than the sum of its proper divisors (52401783650182).

82345660021658 is a wasteful number, since it uses less digits than its factorization.

82345660021658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742984546452.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 82345660021658 in words is "eighty-two trillion, three hundred forty-five billion, six hundred sixty million, twenty-one thousand, six hundred fifty-eight".