166554100111134 has 32 divisors (see below), whose sum is σ = 333552576268800. Its totient is φ = 55443991722912.

The previous prime is 166554100111123. The next prime is 166554100111153. The reversal of 166554100111134 is 431111001455661.

It is a super-2 number, since 2×166554100111134² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166554100111092 and 166554100111101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29101639 + ... + 34351325.

It is an arithmetic number, because the mean of its divisors is an integer number (10423518008400).

Almost surely, 2^{166554100111134} is an apocalyptic number.

166554100111134 is an abundant number, since it is smaller than the sum of its proper divisors (166998476157666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166554100111134 is a wasteful number, since it uses less digits than its factorization.

166554100111134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256744.

The product of its (nonzero) digits is 43200, while the sum is 39.

Adding to 166554100111134 its reverse (431111001455661), we get a palindrome (597665101566795).

The spelling of 166554100111134 in words is "one hundred sixty-six trillion, five hundred fifty-four billion, one hundred million, one hundred eleven thousand, one hundred thirty-four".