3655525010665 has 16 divisors (see below), whose sum is σ = 4791890139840. Its totient is φ = 2654966099520.

The previous prime is 3655525010573. The next prime is 3655525010699. The reversal of 3655525010665 is 5660105255563.

It is not a de Polignac number, because 3655525010665 - 2¹³ = 3655525002473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44928294 + ... + 45009583.

It is an arithmetic number, because the mean of its divisors is an integer number (299493133740).

Almost surely, 2^{3655525010665} is an apocalyptic number.

It is an amenable number.

3655525010665 is a deficient number, since it is larger than the sum of its proper divisors (1136365129175).

3655525010665 is a wasteful number, since it uses less digits than its factorization.

3655525010665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89938632.

The product of its (nonzero) digits is 4050000, while the sum is 49.

The spelling of 3655525010665 in words is "three trillion, six hundred fifty-five billion, five hundred twenty-five million, ten thousand, six hundred sixty-five".