166773142277222 has 32 divisors (see below), whose sum is σ = 272196169845600. Its totient is φ = 76174198391808.

The previous prime is 166773142277221. The next prime is 166773142277227. The reversal of 166773142277222 is 222772241377661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166773142277221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41005529 + ... + 44888747.

It is an arithmetic number, because the mean of its divisors is an integer number (8506130307675).

Almost surely, 2^{166773142277222} is an apocalyptic number.

166773142277222 is a deficient number, since it is larger than the sum of its proper divisors (105423027568378).

166773142277222 is a wasteful number, since it uses less digits than its factorization.

166773142277222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900360.

The product of its digits is 33191424, while the sum is 59.

The spelling of 166773142277222 in words is "one hundred sixty-six trillion, seven hundred seventy-three billion, one hundred forty-two million, two hundred seventy-seven thousand, two hundred twenty-two".