66353936 has 20 divisors (see below), whose sum is σ = 140248464. Its totient is φ = 30160800.

The previous prime is 66353929. The next prime is 66353951. The reversal of 66353936 is 63935366.

It is a junction number, because it is equal to n+sod(n) for n = 66353893 and 66353902.

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, 188330 + ... + 188681.

Almost surely, 2^66353936 is an apocalyptic number.

It is an amenable number.

66353936 is an abundant number, since it is smaller than the sum of its proper divisors (73894528).

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

66353936 is a wasteful number, since it uses less digits than its factorization.

66353936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377030 (or 377024 counting only the distinct ones).

The product of its digits is 262440, while the sum is 41.

The square root of 66353936 is about 8145.7925335722. The cubic root of 66353936 is about 404.8451086811.

The spelling of 66353936 in words is "sixty-six million, three hundred fifty-three thousand, nine hundred thirty-six".