3606191638 has 16 divisors (see below), whose sum is σ = 6216583680. Its totient is φ = 1536875496.

The previous prime is 3606191599. The next prime is 3606191651. The reversal of 3606191638 is 8361916063.

It is a super-2 number, since 2×3606191638² = 26009236259962246088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3606191594 and 3606191603.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 717006 + ... + 722017.

It is an arithmetic number, because the mean of its divisors is an integer number (388536480).

Almost surely, 2^3606191638 is an apocalyptic number.

3606191638 is a deficient number, since it is larger than the sum of its proper divisors (2610392042).

3606191638 is a wasteful number, since it uses less digits than its factorization.

3606191638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439211.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 3606191638 is about 60051.5748169854. The cubic root of 3606191638 is about 1533.4970116493.

The spelling of 3606191638 in words is "three billion, six hundred six million, one hundred ninety-one thousand, six hundred thirty-eight".