3662648571541 has 24 divisors (see below), whose sum is σ = 4060671022080. Its totient is φ = 3296723519232.

The previous prime is 3662648571539. The next prime is 3662648571553. The reversal of 3662648571541 is 1451758462663.

It is not a de Polignac number, because 3662648571541 - 2¹ = 3662648571539 is a prime.

It is a super-2 number, since 2×3662648571541² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3662648571641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38964300 + ... + 39058186.

It is an arithmetic number, because the mean of its divisors is an integer number (169194625920).

Almost surely, 2^{3662648571541} is an apocalyptic number.

It is an amenable number.

3662648571541 is a deficient number, since it is larger than the sum of its proper divisors (398022450539).

3662648571541 is a wasteful number, since it uses less digits than its factorization.

3662648571541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99813 (or 99796 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 3662648571541 in words is "three trillion, six hundred sixty-two billion, six hundred forty-eight million, five hundred seventy-one thousand, five hundred forty-one".