66411036 has 24 divisors (see below), whose sum is σ = 172177040. Its totient is φ = 22136976.

The previous prime is 66411031. The next prime is 66411043. The reversal of 66411036 is 63011466.

66411036 is a `hidden beast` number, since 6 + 641 + 10 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66411031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307351 + ... + 307566.

Almost surely, 2^66411036 is an apocalyptic number.

It is an amenable number.

66411036 is an abundant number, since it is smaller than the sum of its proper divisors (105766004).

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

66411036 is a wasteful number, since it uses less digits than its factorization.

66411036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614930 (or 614922 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 66411036 is about 8149.2966567674. The cubic root of 66411036 is about 404.9612034167.

The spelling of 66411036 in words is "sixty-six million, four hundred eleven thousand, thirty-six".