166081230622 has 4 divisors (see below), whose sum is σ = 249121845936. Its totient is φ = 83040615310.

The previous prime is 166081230611. The next prime is 166081230641. The reversal of 166081230622 is 226032180661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226032180661 = 7 ⋅32290311523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41520307654 + ... + 41520307657.

It is an arithmetic number, because the mean of its divisors is an integer number (62280461484).

Almost surely, 2^166081230622 is an apocalyptic number.

166081230622 is a deficient number, since it is larger than the sum of its proper divisors (83040615314).

166081230622 is an equidigital number, since it uses as much as digits as its factorization.

166081230622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83040615313.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 166081230622 in words is "one hundred sixty-six billion, eighty-one million, two hundred thirty thousand, six hundred twenty-two".