166554400010 has 16 divisors (see below), whose sum is σ = 299823848136. Its totient is φ = 66615998208.

The previous prime is 166554400009. The next prime is 166554400021. The reversal of 166554400010 is 10004455661.

166554400010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 157711442641 + 8842957369 = 397129^2 + 94037^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166554400010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597827 + ... + 830966.

Almost surely, 2^166554400010 is an apocalyptic number.

166554400010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166554400010 is a deficient number, since it is larger than the sum of its proper divisors (133269448126).

166554400010 is a wasteful number, since it uses less digits than its factorization.

166554400010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440457.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 166554400010 its reverse (10004455661), we get a palindrome (176558855671).

The spelling of 166554400010 in words is "one hundred sixty-six billion, five hundred fifty-four million, four hundred thousand, ten".