3661502141 has 16 divisors (see below), whose sum is σ = 4235319360. Its totient is φ = 3130404480.

The previous prime is 3661502137. The next prime is 3661502149. The reversal of 3661502141 is 1412051663.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3661502141 - 2² = 3661502137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661502149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35306 + ... + 92571.

It is an arithmetic number, because the mean of its divisors is an integer number (264707460).

Almost surely, 2^3661502141 is an apocalyptic number.

It is an amenable number.

3661502141 is a deficient number, since it is larger than the sum of its proper divisors (573817219).

3661502141 is a wasteful number, since it uses less digits than its factorization.

3661502141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128044.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3661502141 is about 60510.3473878642. The cubic root of 3661502141 is about 1541.2973467778.

The spelling of 3661502141 in words is "three billion, six hundred sixty-one million, five hundred two thousand, one hundred forty-one".