3664681554 has 32 divisors (see below), whose sum is σ = 7571644416. Its totient is φ = 1181241360.

The previous prime is 3664681529. The next prime is 3664681571. The reversal of 3664681554 is 4551864663.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 258519 + ... + 272325.

It is an arithmetic number, because the mean of its divisors is an integer number (236613888).

Almost surely, 2^3664681554 is an apocalyptic number.

3664681554 is an abundant number, since it is smaller than the sum of its proper divisors (3906962862).

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

3664681554 is a wasteful number, since it uses less digits than its factorization.

3664681554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15270.

The product of its digits is 2073600, while the sum is 48.

The square root of 3664681554 is about 60536.6133344111. The cubic root of 3664681554 is about 1541.7433388791.

The spelling of 3664681554 in words is "three billion, six hundred sixty-four million, six hundred eighty-one thousand, five hundred fifty-four".