3661000541 has 32 divisors (see below), whose sum is σ = 4508006400. Its totient is φ = 2929754880.

The previous prime is 3661000537. The next prime is 3661000547. The reversal of 3661000541 is 1450001663.

It is a cyclic number.

It is not a de Polignac number, because 3661000541 - 2² = 3661000537 is a prime.

It is a super-2 number, since 2×3661000541² = 26805849922404585362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3661000541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661000547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274166 + ... + 287208.

It is an arithmetic number, because the mean of its divisors is an integer number (140875200).

Almost surely, 2^3661000541 is an apocalyptic number.

It is an amenable number.

3661000541 is a deficient number, since it is larger than the sum of its proper divisors (847005859).

3661000541 is a wasteful number, since it uses less digits than its factorization.

3661000541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13169.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3661000541 is about 60506.2025002396. The cubic root of 3661000541 is about 1541.2269612706.

The spelling of 3661000541 in words is "three billion, six hundred sixty-one million, five hundred forty-one", and thus it is an aban number.