3662664361 has 4 divisors (see below), whose sum is σ = 3671008000. Its totient is φ = 3654320724.

The previous prime is 3662664349. The next prime is 3662664403. The reversal of 3662664361 is 1634662663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3662664361 - 2¹¹ = 3662662313 is a prime.

It is a super-2 number, since 2×3662664361² = 26830220442679076642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3662664311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4171161 + ... + 4172038.

It is an arithmetic number, because the mean of its divisors is an integer number (917752000).

Almost surely, 2^3662664361 is an apocalyptic number.

It is an amenable number.

3662664361 is a deficient number, since it is larger than the sum of its proper divisors (8343639).

3662664361 is an equidigital number, since it uses as much as digits as its factorization.

3662664361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343638.

The product of its digits is 559872, while the sum is 43.

The square root of 3662664361 is about 60519.9501073819. The cubic root of 3662664361 is about 1541.4604070952.

It can be divided in two parts, 36626643 and 61, that added together give a square (36626704 = 6052²).

The spelling of 3662664361 in words is "three billion, six hundred sixty-two million, six hundred sixty-four thousand, three hundred sixty-one".