3671216672 has 18 divisors (see below), whose sum is σ = 7228382679. Its totient is φ = 1835436960.

The previous prime is 3671216639. The next prime is 3671216687. The reversal of 3671216672 is 2766121763.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1835608336 + 1835608336 = 42844^2 + 42844^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=42844.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 337397 + ... + 348107.

Almost surely, 2^3671216672 is an apocalyptic number.

3671216672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3671216672 is a deficient number, since it is larger than the sum of its proper divisors (3557166007).

3671216672 is an frugal number, since it uses more digits than its factorization.

3671216672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21432 (or 10713 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 3671216672 is about 60590.5658663129. The cubic root of 3671216672 is about 1542.6592430602.

Multiplying 3671216672 by its product of digits (127008), we get a square (466273887077376 = 21593376²).

The spelling of 3671216672 in words is "three billion, six hundred seventy-one million, two hundred sixteen thousand, six hundred seventy-two".