3651867242066 has 8 divisors (see below), whose sum is σ = 5480915024640. Its totient is φ = 1824895567188.

The previous prime is 3651867241933. The next prime is 3651867242077. The reversal of 3651867242066 is 6602427681563.

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

It is a super-2 number, since 2×3651867242066² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519022526 + ... + 519029561.

It is an arithmetic number, because the mean of its divisors is an integer number (685114378080).

Almost surely, 2^{3651867242066} is an apocalyptic number.

3651867242066 is a deficient number, since it is larger than the sum of its proper divisors (1829047782574).

3651867242066 is a wasteful number, since it uses less digits than its factorization.

3651867242066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038053848.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 3651867242066 in words is "three trillion, six hundred fifty-one billion, eight hundred sixty-seven million, two hundred forty-two thousand, sixty-six".