166365110023152 has 20 divisors (see below), whose sum is σ = 429776534226600. Its totient is φ = 55455036674368.

The previous prime is 166365110023097. The next prime is 166365110023207. The reversal of 166365110023152 is 251320011563661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166365110023097) and next prime (166365110023207).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732969896027 + ... + 1732969896122.

It is an arithmetic number, because the mean of its divisors is an integer number (21488826711330).

Almost surely, 2^{166365110023152} is an apocalyptic number.

166365110023152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166365110023152 is an abundant number, since it is smaller than the sum of its proper divisors (263411424203448).

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

166365110023152 is a wasteful number, since it uses less digits than its factorization.

166365110023152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465939792160 (or 3465939792154 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 166365110023152 in words is "one hundred sixty-six trillion, three hundred sixty-five billion, one hundred ten million, twenty-three thousand, one hundred fifty-two".