166860352156 has 12 divisors (see below), whose sum is σ = 292012714000. Its totient is φ = 83428148160.

The previous prime is 166860352151. The next prime is 166860352189. The reversal of 166860352156 is 651253068661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166860352151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313656 + ... + 657343.

Almost surely, 2^166860352156 is an apocalyptic number.

It is an amenable number.

166860352156 is a deficient number, since it is larger than the sum of its proper divisors (125152361844).

166860352156 is a wasteful number, since it uses less digits than its factorization.

166860352156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013964 (or 1013962 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 166860352156 in words is "one hundred sixty-six billion, eight hundred sixty million, three hundred fifty-two thousand, one hundred fifty-six".