3662647632002 has 48 divisors (see below), whose sum is σ = 5851295350632. Its totient is φ = 1719133655040.

The previous prime is 3662647631971. The next prime is 3662647632011. The reversal of 3662647632002 is 2002367462663.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1814002228801 + 1848645403201 = 1346849^2 + 1359649^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 418440458 + ... + 418449210.

Almost surely, 2^{3662647632002} is an apocalyptic number.

3662647632002 is a deficient number, since it is larger than the sum of its proper divisors (2188647718630).

3662647632002 is a wasteful number, since it uses less digits than its factorization.

3662647632002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583 (or 10566 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 47.

The spelling of 3662647632002 in words is "three trillion, six hundred sixty-two billion, six hundred forty-seven million, six hundred thirty-two thousand, two".