166632408024722 has 4 divisors (see below), whose sum is σ = 249948612037086. Its totient is φ = 83316204012360.

The previous prime is 166632408024721. The next prime is 166632408024739. The reversal of 166632408024722 is 227420804236661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 129292841231401 + 37339566793321 = 11370701^2 + 6110611^2 .

It is not an unprimeable number, because it can be changed into a prime (166632408024721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41658102006179 + ... + 41658102006182.

Almost surely, 2^{166632408024722} is an apocalyptic number.

166632408024722 is a deficient number, since it is larger than the sum of its proper divisors (83316204012364).

166632408024722 is an equidigital number, since it uses as much as digits as its factorization.

166632408024722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83316204012363.

The product of its (nonzero) digits is 9289728, while the sum is 53.

The spelling of 166632408024722 in words is "one hundred sixty-six trillion, six hundred thirty-two billion, four hundred eight million, twenty-four thousand, seven hundred twenty-two".