3665164001525 has 12 divisors (see below), whose sum is σ = 4894403620932. Its totient is φ = 2706582647040.

The previous prime is 3665164001491. The next prime is 3665164001537. The reversal of 3665164001525 is 5251004615663.

3665164001525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1304798884 + 3663859202641 = 36122^2 + 1914121^2 .

It is not a de Polignac number, because 3665164001525 - 2²⁶ = 3665096892661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5638713524 + ... + 5638714173.

It is an arithmetic number, because the mean of its divisors is an integer number (407866968411).

Almost surely, 2^{3665164001525} is an apocalyptic number.

It is an amenable number.

3665164001525 is a deficient number, since it is larger than the sum of its proper divisors (1229239619407).

3665164001525 is a wasteful number, since it uses less digits than its factorization.

3665164001525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11277427720 (or 11277427715 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 3665164001525 in words is "three trillion, six hundred sixty-five billion, one hundred sixty-four million, one thousand, five hundred twenty-five".