166687966096 has 20 divisors (see below), whose sum is σ = 323097875100. Its totient is φ = 83307869312.

The previous prime is 166687966091. The next prime is 166687966099. The reversal of 166687966096 is 690669786661.

It can be written as a sum of positive squares in 2 ways, for example, as 156132458496 + 10555507600 = 395136^2 + 102740^2 .

It is not an unprimeable number, because it can be changed into a prime (166687966091) 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, 2219011 + ... + 2292898.

It is an arithmetic number, because the mean of its divisors is an integer number (16154893755).

Almost surely, 2^166687966096 is an apocalyptic number.

166687966096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166687966096 is a deficient number, since it is larger than the sum of its proper divisors (156409909004).

166687966096 is a wasteful number, since it uses less digits than its factorization.

166687966096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514226 (or 4514220 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 70.

The spelling of 166687966096 in words is "one hundred sixty-six billion, six hundred eighty-seven million, nine hundred sixty-six thousand, ninety-six".