3661406006 has 4 divisors (see below), whose sum is σ = 5492109012. Its totient is φ = 1830703002.

The previous prime is 3661405931. The next prime is 3661406009. The reversal of 3661406006 is 6006041663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6006041663 = 45587 ⋅131749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661406009) 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 as a sum of consecutive naturals, namely, 915351500 + ... + 915351503.

It is an arithmetic number, because the mean of its divisors is an integer number (1373027253).

Almost surely, 2^3661406006 is an apocalyptic number.

3661406006 is a deficient number, since it is larger than the sum of its proper divisors (1830703006).

3661406006 is a wasteful number, since it uses less digits than its factorization.

3661406006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830703005.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3661406006 is about 60509.5530143795. The cubic root of 3661406006 is about 1541.2838574218.

Adding to 3661406006 its reverse (6006041663), we get a palindrome (9667447669).

The spelling of 3661406006 in words is "three billion, six hundred sixty-one million, four hundred six thousand, six".