3651733116642 has 128 divisors (see below), whose sum is σ = 8168367191040. Its totient is φ = 1081291680000.

The previous prime is 3651733116589. The next prime is 3651733116673. The reversal of 3651733116642 is 2466113371563.

It is a junction number, because it is equal to n+sod(n) for n = 3651733116591 and 3651733116600.

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 63 ways as a sum of consecutive naturals, for example, 59201517 + ... + 59263167.

It is an arithmetic number, because the mean of its divisors is an integer number (63815368680).

Almost surely, 2^{3651733116642} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3651733116642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4084183595520).

3651733116642 is an abundant number, since it is smaller than the sum of its proper divisors (4516634074398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3651733116642 is a wasteful number, since it uses less digits than its factorization.

3651733116642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62000.

The product of its digits is 1632960, while the sum is 48.

The spelling of 3651733116642 in words is "three trillion, six hundred fifty-one billion, seven hundred thirty-three million, one hundred sixteen thousand, six hundred forty-two".