3728168516 has 6 divisors (see below), whose sum is σ = 6524294910. Its totient is φ = 1864084256.

The previous prime is 3728168489. The next prime is 3728168567. The reversal of 3728168516 is 6158618273.

It can be written as a sum of positive squares in only one way, i.e., 3727590916 + 577600 = 61054^2 + 760^2 .

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 as a sum of consecutive naturals, namely, 466021061 + ... + 466021068.

It is an arithmetic number, because the mean of its divisors is an integer number (1087382485).

Almost surely, 2^3728168516 is an apocalyptic number.

It is an amenable number.

3728168516 is a deficient number, since it is larger than the sum of its proper divisors (2796126394).

3728168516 is a wasteful number, since it uses less digits than its factorization.

3728168516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932042133 (or 932042131 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 3728168516 is about 61058.7300555785. The cubic root of 3728168516 is about 1550.5954723493.

The spelling of 3728168516 in words is "three billion, seven hundred twenty-eight million, one hundred sixty-eight thousand, five hundred sixteen".