166870156616 has 32 divisors (see below), whose sum is σ = 317674742400. Its totient is φ = 82159754880.

The previous prime is 166870156597. The next prime is 166870156633. The reversal of 166870156616 is 616651078661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288980 + ... + 645948.

It is an arithmetic number, because the mean of its divisors is an integer number (9927335700).

Almost surely, 2^166870156616 is an apocalyptic number.

It is an amenable number.

166870156616 is a deficient number, since it is larger than the sum of its proper divisors (150804585784).

166870156616 is a wasteful number, since it uses less digits than its factorization.

166870156616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357869 (or 357865 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 166870156616 in words is "one hundred sixty-six billion, eight hundred seventy million, one hundred fifty-six thousand, six hundred sixteen".