66432536 has 16 divisors (see below), whose sum is σ = 126063000. Its totient is φ = 32815744.

The previous prime is 66432529. The next prime is 66432559. The reversal of 66432536 is 63523466.

It is a junction number, because it is equal to n+sod(n) for n = 66432496 and 66432505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49361 + ... + 50688.

Almost surely, 2^66432536 is an apocalyptic number.

It is an amenable number.

66432536 is a deficient number, since it is larger than the sum of its proper divisors (59630464).

66432536 is a wasteful number, since it uses less digits than its factorization.

66432536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100138 (or 100134 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 66432536 is about 8150.6156822660. The cubic root of 66432536 is about 405.0048996003.

It can be divided in two parts, 664 and 32536, that multiplied together give a square (21603904 = 4648²).

The spelling of 66432536 in words is "sixty-six million, four hundred thirty-two thousand, five hundred thirty-six".