3664662505 has 8 divisors (see below), whose sum is σ = 5025822912. Its totient is φ = 2512911408.

The previous prime is 3664662503. The next prime is 3664662539. The reversal of 3664662505 is 5052664663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3664662505 - 2¹ = 3664662503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3664662503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52352287 + ... + 52352356.

It is an arithmetic number, because the mean of its divisors is an integer number (628227864).

Almost surely, 2^3664662505 is an apocalyptic number.

3664662505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3664662505 is a deficient number, since it is larger than the sum of its proper divisors (1361160407).

3664662505 is a wasteful number, since it uses less digits than its factorization.

3664662505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104704655.

The product of its (nonzero) digits is 777600, while the sum is 43.

The square root of 3664662505 is about 60536.4559996701. The cubic root of 3664662505 is about 1541.7406675492.

The spelling of 3664662505 in words is "three billion, six hundred sixty-four million, six hundred sixty-two thousand, five hundred five".