166347052443 has 96 divisors (see below), whose sum is σ = 300119758848. Its totient is φ = 87334790400.

The previous prime is 166347052441. The next prime is 166347052451. The reversal of 166347052443 is 344250743661.

166347052443 is a `hidden beast` number, since 1 + 6 + 634 + 7 + 0 + 5 + 2 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 166347052443 - 2¹ = 166347052441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166347052441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1515838 + ... + 1621868.

It is an arithmetic number, because the mean of its divisors is an integer number (3126247488).

Almost surely, 2^166347052443 is an apocalyptic number.

166347052443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

166347052443 is a deficient number, since it is larger than the sum of its proper divisors (133772706405).

166347052443 is a wasteful number, since it uses less digits than its factorization.

166347052443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106137 (or 106134 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 166347052443 in words is "one hundred sixty-six billion, three hundred forty-seven million, fifty-two thousand, four hundred forty-three".