3651041556 has 36 divisors (see below), whose sum is σ = 9233733600. Its totient is φ = 1216392528.

The previous prime is 3651041543. The next prime is 3651041561. The reversal of 3651041556 is 6551401563.

3651041556 is a `hidden beast` number, since 3 + 65 + 1 + 0 + 41 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3651041556² = 26660208887277802272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3651041556.

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 11 ways as a sum of consecutive naturals, for example, 48535 + ... + 98273.

It is an arithmetic number, because the mean of its divisors is an integer number (256492600).

Almost surely, 2^3651041556 is an apocalyptic number.

3651041556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3651041556 is an abundant number, since it is smaller than the sum of its proper divisors (5582692044).

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

3651041556 is a wasteful number, since it uses less digits than its factorization.

3651041556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51788 (or 51783 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 3651041556 is about 60423.8492319051. The cubic root of 3651041556 is about 1539.8281637695.

The spelling of 3651041556 in words is "three billion, six hundred fifty-one million, forty-one thousand, five hundred fifty-six".