166456598600 has 48 divisors (see below), whose sum is σ = 387058731120. Its totient is φ = 66574529600.

The previous prime is 166456598507. The next prime is 166456598603. The reversal of 166456598600 is 6895654661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166456598603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1756019 + ... + 1848381.

It is an arithmetic number, because the mean of its divisors is an integer number (8063723565).

Almost surely, 2^166456598600 is an apocalyptic number.

166456598600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166456598600 is an abundant number, since it is smaller than the sum of its proper divisors (220602132520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166456598600 is a wasteful number, since it uses less digits than its factorization.

166456598600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101390 (or 101381 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 166456598600 in words is "one hundred sixty-six billion, four hundred fifty-six million, five hundred ninety-eight thousand, six hundred".