3669616836 has 18 divisors (see below), whose sum is σ = 9275975982. Its totient is φ = 1223205600.

The previous prime is 3669616829. The next prime is 3669616871. The reversal of 3669616836 is 6386169663.

3669616836 is a `hidden beast` number, since 366 + 96 + 168 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3661460100 + 8156736 = 60510^2 + 2856^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 50966865 + ... + 50966936.

It is an arithmetic number, because the mean of its divisors is an integer number (515331999).

Almost surely, 2^3669616836 is an apocalyptic number.

3669616836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3669616836 is an abundant number, since it is smaller than the sum of its proper divisors (5606359146).

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

3669616836 is a wasteful number, since it uses less digits than its factorization.

3669616836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101933811 (or 101933806 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 3669616836 is about 60577.3624054399. The cubic root of 3669616836 is about 1542.4351247728.

The spelling of 3669616836 in words is "three billion, six hundred sixty-nine million, six hundred sixteen thousand, eight hundred thirty-six".