16601051061651 has 8 divisors (see below), whose sum is σ = 25296839713024. Its totient is φ = 9486314892360.

The previous prime is 16601051061593. The next prime is 16601051061739. The reversal of 16601051061651 is 15616015010661.

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

It is not a de Polignac number, because 16601051061651 - 2¹¹ = 16601051059603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16601051063651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395263120495 + ... + 395263120536.

It is an arithmetic number, because the mean of its divisors is an integer number (3162104964128).

Almost surely, 2^{16601051061651} is an apocalyptic number.

16601051061651 is a deficient number, since it is larger than the sum of its proper divisors (8695788651373).

16601051061651 is an equidigital number, since it uses as much as digits as its factorization.

16601051061651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790526241041.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 16601051061651 in words is "sixteen trillion, six hundred one billion, fifty-one million, sixty-one thousand, six hundred fifty-one".