166436505110146 has 64 divisors (see below), whose sum is σ = 272397372889824. Its totient is φ = 75958854451200.

The previous prime is 166436505110101. The next prime is 166436505110153. The reversal of 166436505110146 is 641011505634661.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 5035360969521 + 161401144140625 = 2243961^2 + 12704375^2 .

It is a super-2 number, since 2×166436505110146² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166436505110146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609706480 + ... + 609979396.

Almost surely, 2^{166436505110146} is an apocalyptic number.

166436505110146 is a deficient number, since it is larger than the sum of its proper divisors (105960867779678).

166436505110146 is a wasteful number, since it uses less digits than its factorization.

166436505110146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275575.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 166436505110146 in words is "one hundred sixty-six trillion, four hundred thirty-six billion, five hundred five million, one hundred ten thousand, one hundred forty-six".