3665261164 has 24 divisors (see below), whose sum is σ = 6637755600. Its totient is φ = 1768804800.

The previous prime is 3665261137. The next prime is 3665261167. The reversal of 3665261164 is 4611625663.

It is not an unprimeable number, because it can be changed into a prime (3665261167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597714 + ... + 603814.

It is an arithmetic number, because the mean of its divisors is an integer number (276573150).

Almost surely, 2^3665261164 is an apocalyptic number.

It is an amenable number.

3665261164 is a deficient number, since it is larger than the sum of its proper divisors (2972494436).

3665261164 is a wasteful number, since it uses less digits than its factorization.

3665261164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11313 (or 11311 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 3665261164 is about 60541.4004132709. The cubic root of 3665261164 is about 1541.8246158592.

The spelling of 3665261164 in words is "three billion, six hundred sixty-five million, two hundred sixty-one thousand, one hundred sixty-four".