166663526112612 has 60 divisors (see below), whose sum is σ = 435712085368560. Its totient is φ = 55551868388784.

The previous prime is 166663526112539. The next prime is 166663526112619. The reversal of 166663526112612 is 216211625366661.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (166663526112619) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5390038 + ... + 19036269.

It is an arithmetic number, because the mean of its divisors is an integer number (7261868089476).

Almost surely, 2^{166663526112612} is an apocalyptic number.

166663526112612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166663526112612 is an abundant number, since it is smaller than the sum of its proper divisors (269048559255948).

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

166663526112612 is a wasteful number, since it uses less digits than its factorization.

166663526112612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24447382 (or 24447371 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 166663526112612 in words is "one hundred sixty-six trillion, six hundred sixty-three billion, five hundred twenty-six million, one hundred twelve thousand, six hundred twelve".