166370456349 has 12 divisors (see below), whose sum is σ = 240693734112. Its totient is φ = 110737859400.

The previous prime is 166370456309. The next prime is 166370456359. The reversal of 166370456349 is 943654073661.

166370456349 is a `hidden beast` number, since 1 + 6 + 6 + 3 + 70 + 4 + 563 + 4 + 9 = 666.

It is not a de Polignac number, because 166370456349 - 2⁷ = 166370456221 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166370456295 and 166370456304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166370456309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14642187 + ... + 14653544.

It is an arithmetic number, because the mean of its divisors is an integer number (20057811176).

Almost surely, 2^166370456349 is an apocalyptic number.

It is an amenable number.

166370456349 is a deficient number, since it is larger than the sum of its proper divisors (74323277763).

166370456349 is a wasteful number, since it uses less digits than its factorization.

166370456349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29296368 (or 29296365 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 166370456349 in words is "one hundred sixty-six billion, three hundred seventy million, four hundred fifty-six thousand, three hundred forty-nine".