3658081916 has 24 divisors (see below), whose sum is σ = 6579735120. Its totient is φ = 1778832000.

The previous prime is 3658081907. The next prime is 3658081919. The reversal of 3658081916 is 6191808563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3658081919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62510 + ... + 105941.

It is an arithmetic number, because the mean of its divisors is an integer number (274155630).

Almost surely, 2^3658081916 is an apocalyptic number.

It is an amenable number.

3658081916 is a deficient number, since it is larger than the sum of its proper divisors (2921653204).

3658081916 is a wasteful number, since it uses less digits than its factorization.

3658081916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168605 (or 168603 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 3658081916 is about 60482.0792962676. The cubic root of 3658081916 is about 1540.8172864300.

The spelling of 3658081916 in words is "three billion, six hundred fifty-eight million, eighty-one thousand, nine hundred sixteen".