166364541922 has 8 divisors (see below), whose sum is σ = 249552413676. Its totient is φ = 83180404032.

The previous prime is 166364541911. The next prime is 166364541929. The reversal of 166364541922 is 229145463661.

It can be written as a sum of positive squares in 2 ways, for example, as 136780885921 + 29583656001 = 369839^2 + 171999^2 .

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

It is not an unprimeable number, because it can be changed into a prime (166364541929) 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, 819283 + ... + 1001974.

Almost surely, 2^166364541922 is an apocalyptic number.

166364541922 is a deficient number, since it is larger than the sum of its proper divisors (83187871754).

166364541922 is a wasteful number, since it uses less digits than its factorization.

166364541922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866932.

The product of its digits is 1866240, while the sum is 49.

The spelling of 166364541922 in words is "one hundred sixty-six billion, three hundred sixty-four million, five hundred forty-one thousand, nine hundred twenty-two".