166135022 has 4 divisors (see below), whose sum is σ = 249202536. Its totient is φ = 83067510.

The previous prime is 166134977. The next prime is 166135027. The reversal of 166135022 is 220531661.

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

It is a junction number, because it is equal to n+sod(n) for n = 166134982 and 166135000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166135027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41533754 + ... + 41533757.

It is an arithmetic number, because the mean of its divisors is an integer number (62300634).

Almost surely, 2^166135022 is an apocalyptic number.

166135022 is a deficient number, since it is larger than the sum of its proper divisors (83067514).

166135022 is an equidigital number, since it uses as much as digits as its factorization.

166135022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83067513.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 166135022 is about 12889.3375314637. The cubic root of 166135022 is about 549.7354341892.

Adding to 166135022 its reverse (220531661), we get a palindrome (386666683).

The spelling of 166135022 in words is "one hundred sixty-six million, one hundred thirty-five thousand, twenty-two".