166402104 has 48 divisors (see below), whose sum is σ = 457269960. Its totient is φ = 50424000.

The previous prime is 166402097. The next prime is 166402111. The reversal of 166402104 is 401204661.

It is an interprime number because it is at equal distance from previous prime (166402097) and next prime (166402111).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 25747 + ... + 31554.

Almost surely, 2^166402104 is an apocalyptic number.

It is an amenable number.

166402104 is an abundant number, since it is smaller than the sum of its proper divisors (290867856).

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

166402104 is a wasteful number, since it uses less digits than its factorization.

166402104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57332 (or 57317 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 166402104 is about 12899.6939498579. The cubic root of 166402104 is about 550.0298650450.

Adding to 166402104 its reverse (401204661), we get a palindrome (567606765).

The spelling of 166402104 in words is "one hundred sixty-six million, four hundred two thousand, one hundred four".