66101232 has 40 divisors (see below), whose sum is σ = 172534096. Its totient is φ = 21805056.

The previous prime is 66101201. The next prime is 66101251. The reversal of 66101232 is 23210166.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66101199 and 66101208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443 + ... + 11754.

Almost surely, 2^66101232 is an apocalyptic number.

It is an amenable number.

66101232 is an abundant number, since it is smaller than the sum of its proper divisors (106432864).

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

66101232 is a wasteful number, since it uses less digits than its factorization.

66101232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14305 (or 14299 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 66101232 is about 8130.2664162990. The cubic root of 66101232 is about 404.3305140949.

Adding to 66101232 its reverse (23210166), we get a palindrome (89311398).

The spelling of 66101232 in words is "sixty-six million, one hundred one thousand, two hundred thirty-two".