66212932 has 12 divisors (see below), whose sum is σ = 116998336. Its totient is φ = 32784840.

The previous prime is 66212921. The next prime is 66212933. The reversal of 66212932 is 23921266.

It is a junction number, because it is equal to n+sod(n) for n = 66212894 and 66212903.

It is not an unprimeable number, because it can be changed into a prime (66212933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79944 + ... + 80767.

Almost surely, 2^66212932 is an apocalyptic number.

It is an amenable number.

66212932 is a deficient number, since it is larger than the sum of its proper divisors (50785404).

66212932 is a wasteful number, since it uses less digits than its factorization.

66212932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160818 (or 160816 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 66212932 is about 8137.1329103069. The cubic root of 66212932 is about 404.5581361891.

The spelling of 66212932 in words is "sixty-six million, two hundred twelve thousand, nine hundred thirty-two".