3663401964 has 24 divisors (see below), whose sum is σ = 8553263040. Its totient is φ = 1220373264.

The previous prime is 3663401939. The next prime is 3663401993. The reversal of 3663401964 is 4691043663.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74854 + ... + 113709.

It is an arithmetic number, because the mean of its divisors is an integer number (356385960).

Almost surely, 2^3663401964 is an apocalyptic number.

It is an amenable number.

3663401964 is an abundant number, since it is smaller than the sum of its proper divisors (4889861076).

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

3663401964 is a wasteful number, since it uses less digits than its factorization.

3663401964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190189 (or 190187 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The square root of 3663401964 is about 60526.0436836904. The cubic root of 3663401964 is about 1541.5638754444.

The spelling of 3663401964 in words is "three billion, six hundred sixty-three million, four hundred one thousand, nine hundred sixty-four".