166223035 has 8 divisors (see below), whose sum is σ = 217601136. Its totient is φ = 120889440.

The previous prime is 166223033. The next prime is 166223051. The reversal of 166223035 is 530322661.

166223035 = T₂₄₃₁ + T₂₄₃₂ + ... + T₂₄₈₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 166223035 - 2¹ = 166223033 is a prime.

It is a super-2 number, since 2×166223035² = 55260194729222450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166222994 and 166223012.

It is not an unprimeable number, because it can be changed into a prime (166223033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511064 + ... + 1511173.

It is an arithmetic number, because the mean of its divisors is an integer number (27200142).

Almost surely, 2^166223035 is an apocalyptic number.

166223035 is a deficient number, since it is larger than the sum of its proper divisors (51378101).

166223035 is a wasteful number, since it uses less digits than its factorization.

166223035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022253.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 166223035 is about 12892.7512579744. The cubic root of 166223035 is about 549.8324944450.

Adding to 166223035 its reverse (530322661), we get a palindrome (696545696).

The spelling of 166223035 in words is "one hundred sixty-six million, two hundred twenty-three thousand, thirty-five".