166554622146 has 32 divisors (see below), whose sum is σ = 363408752448. Its totient is φ = 50468757440.

The previous prime is 166554622141. The next prime is 166554622151. The reversal of 166554622146 is 641226455661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166554622141) and next prime (166554622151).

It is a junction number, because it is equal to n+sod(n) for n = 166554622095 and 166554622104.

It is not an unprimeable number, because it can be changed into a prime (166554622141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837876 + ... + 1926368.

It is an arithmetic number, because the mean of its divisors is an integer number (11356523514).

Almost surely, 2^166554622146 is an apocalyptic number.

166554622146 is an abundant number, since it is smaller than the sum of its proper divisors (196854130302).

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

166554622146 is a wasteful number, since it uses less digits than its factorization.

166554622146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117026.

The product of its digits is 2073600, while the sum is 48.

The spelling of 166554622146 in words is "one hundred sixty-six billion, five hundred fifty-four million, six hundred twenty-two thousand, one hundred forty-six".