3661052901 has 32 divisors (see below), whose sum is σ = 5642856576. Its totient is φ = 2086656000.

The previous prime is 3661052897. The next prime is 3661052917. The reversal of 3661052901 is 1092501663.

It is a happy number.

It is not a de Polignac number, because 3661052901 - 2² = 3661052897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661052951) 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, 1278211 + ... + 1281071.

It is an arithmetic number, because the mean of its divisors is an integer number (176339268).

Almost surely, 2^3661052901 is an apocalyptic number.

It is an amenable number.

3661052901 is a deficient number, since it is larger than the sum of its proper divisors (1981803675).

3661052901 is a wasteful number, since it uses less digits than its factorization.

3661052901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 3661052901 is about 60506.6351816063. The cubic root of 3661052901 is about 1541.2343088302.

The spelling of 3661052901 in words is "three billion, six hundred sixty-one million, fifty-two thousand, nine hundred one".