166522029 has 8 divisors (see below), whose sum is σ = 222855840. Its totient is φ = 110601456.

The previous prime is 166522003. The next prime is 166522073. The reversal of 166522029 is 920225661.

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

It is not a de Polignac number, because 166522029 - 2¹⁷ = 166390957 is a prime.

It is a super-2 number, since 2×166522029² = 55459172284553682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166522529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102367 + ... + 103980.

It is an arithmetic number, because the mean of its divisors is an integer number (27856980).

Almost surely, 2^166522029 is an apocalyptic number.

It is an amenable number.

166522029 is a deficient number, since it is larger than the sum of its proper divisors (56333811).

166522029 is a wasteful number, since it uses less digits than its factorization.

166522029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206619.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 166522029 is about 12904.3414787427. The cubic root of 166522029 is about 550.1619677250.

It can be divided in two parts, 16652 and 2029, that added together give a palindrome (18681).

The spelling of 166522029 in words is "one hundred sixty-six million, five hundred twenty-two thousand, twenty-nine".