100432166 has 4 divisors (see below), whose sum is σ = 150648252. Its totient is φ = 50216082.

The previous prime is 100432117. The next prime is 100432183. The reversal of 100432166 is 661234001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25108040 + ... + 25108043.

It is an arithmetic number, because the mean of its divisors is an integer number (37662063).

Almost surely, 2^100432166 is an apocalyptic number.

100432166 is a deficient number, since it is larger than the sum of its proper divisors (50216086).

100432166 is an equidigital number, since it uses as much as digits as its factorization.

100432166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50216085.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 100432166 is about 10021.5850043793. The cubic root of 100432166 is about 464.8265680742.

Adding to 100432166 its reverse (661234001), we get a palindrome (761666167).

The spelling of 100432166 in words is "one hundred million, four hundred thirty-two thousand, one hundred sixty-six".