166475400102 has 96 divisors (see below), whose sum is σ = 424754254080. Its totient is φ = 46589780160.

The previous prime is 166475400101. The next prime is 166475400137. The reversal of 166475400102 is 201004574661.

166475400102 is a `hidden beast` number, since 1 + 6 + 6 + 4 + 7 + 540 + 0 + 102 = 666.

It is a super-2 number, since 2×166475400102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166475400101) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 498208 + ... + 762339.

It is an arithmetic number, because the mean of its divisors is an integer number (4424523480).

Almost surely, 2^166475400102 is an apocalyptic number.

166475400102 is an abundant number, since it is smaller than the sum of its proper divisors (258278853978).

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

166475400102 is a wasteful number, since it uses less digits than its factorization.

166475400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260618 (or 1260615 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 166475400102 its reverse (201004574661), we get a palindrome (367479974763).

The spelling of 166475400102 in words is "one hundred sixty-six billion, four hundred seventy-five million, four hundred thousand, one hundred two".