3651696118066 has 16 divisors (see below), whose sum is σ = 5559065154720. Its totient is φ = 1798874943840.

The previous prime is 3651696118033. The next prime is 3651696118067. The reversal of 3651696118066 is 6608116961563.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3651696118066.

It is not an unprimeable number, because it can be changed into a prime (3651696118067) 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, 50099451 + ... + 50172286.

It is an arithmetic number, because the mean of its divisors is an integer number (347441572170).

Almost surely, 2^{3651696118066} is an apocalyptic number.

3651696118066 is a deficient number, since it is larger than the sum of its proper divisors (1907369036654).

3651696118066 is a wasteful number, since it uses less digits than its factorization.

3651696118066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100272009.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 3651696118066 in words is "three trillion, six hundred fifty-one billion, six hundred ninety-six million, one hundred eighteen thousand, sixty-six".