166322005326051 has 8 divisors (see below), whose sum is σ = 223090593970944. Its totient is φ = 110217376782600.

The previous prime is 166322005326031. The next prime is 166322005326073. The reversal of 166322005326051 is 150623500223661.

It is a happy number.

166322005326051 is digitally balanced in base 2, 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 not a de Polignac number, because 166322005326051 - 2¹⁷ = 166322005194979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166322005325994 and 166322005326012.

It is not an unprimeable number, because it can be changed into a prime (166322005326031) 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, 165990024775 + ... + 165990025776.

It is an arithmetic number, because the mean of its divisors is an integer number (27886324246368).

Almost surely, 2^{166322005326051} is an apocalyptic number.

166322005326051 is a deficient number, since it is larger than the sum of its proper divisors (56768588644893).

166322005326051 is a wasteful number, since it uses less digits than its factorization.

166322005326051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331980050721.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 166322005326051 in words is "one hundred sixty-six trillion, three hundred twenty-two billion, five million, three hundred twenty-six thousand, fifty-one".