166364464422 has 64 divisors (see below), whose sum is σ = 385621193664. Its totient is φ = 47388119040.

The previous prime is 166364464411. The next prime is 166364464423. The reversal of 166364464422 is 224464463661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166364464423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947503 + ... + 1109274.

It is an arithmetic number, because the mean of its divisors is an integer number (6025331151).

Almost surely, 2^166364464422 is an apocalyptic number.

166364464422 is an abundant number, since it is smaller than the sum of its proper divisors (219256729242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166364464422 is a wasteful number, since it uses less digits than its factorization.

166364464422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056873.

The product of its digits is 3981312, while the sum is 48.

The spelling of 166364464422 in words is "one hundred sixty-six billion, three hundred sixty-four million, four hundred sixty-four thousand, four hundred twenty-two".