3661504052 has 6 divisors (see below), whose sum is σ = 6407632098. Its totient is φ = 1830752024.

The previous prime is 3661504037. The next prime is 3661504061. The reversal of 3661504052 is 2504051663.

It can be written as a sum of positive squares in only one way, i.e., 3658314256 + 3189796 = 60484^2 + 1786^2 .

It is a super-2 number, since 2×3661504052² = 26813223845624837408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457688003 + ... + 457688010.

It is an arithmetic number, because the mean of its divisors is an integer number (1067938683).

Almost surely, 2^3661504052 is an apocalyptic number.

It is an amenable number.

3661504052 is a deficient number, since it is larger than the sum of its proper divisors (2746128046).

3661504052 is a wasteful number, since it uses less digits than its factorization.

3661504052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915376017 (or 915376015 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 3661504052 is about 60510.3631785498. The cubic root of 3661504052 is about 1541.2976149208.

The spelling of 3661504052 in words is "three billion, six hundred sixty-one million, five hundred four thousand, fifty-two".