3664866042 has 12 divisors (see below), whose sum is σ = 7940543130. Its totient is φ = 1221622008.

The previous prime is 3664866013. The next prime is 3664866109. The reversal of 3664866042 is 2406684663.

3664866042 is a `hidden beast` number, since 36 + 6 + 4 + 8 + 6 + 604 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3645865161 + 19000881 = 60381^2 + 4359^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101801817 + ... + 101801852.

Almost surely, 2^3664866042 is an apocalyptic number.

3664866042 is an abundant number, since it is smaller than the sum of its proper divisors (4275677088).

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

3664866042 is a wasteful number, since it uses less digits than its factorization.

3664866042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203603677 (or 203603674 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The square root of 3664866042 is about 60538.1370872940. The cubic root of 3664866042 is about 1541.7692100103.

The spelling of 3664866042 in words is "three billion, six hundred sixty-four million, eight hundred sixty-six thousand, forty-two".