16106656601 has 4 divisors (see below), whose sum is σ = 18407607552. Its totient is φ = 13805705652.

The previous prime is 16106656589. The next prime is 16106656609. The reversal of 16106656601 is 10665660161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16106656601 - 2⁶ = 16106656537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16106656609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150475465 + ... + 1150475478.

It is an arithmetic number, because the mean of its divisors is an integer number (4601901888).

Almost surely, 2^16106656601 is an apocalyptic number.

It is an amenable number.

16106656601 is a deficient number, since it is larger than the sum of its proper divisors (2300950951).

16106656601 is an equidigital number, since it uses as much as digits as its factorization.

16106656601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300950950.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 16106656601 in words is "sixteen billion, one hundred six million, six hundred fifty-six thousand, six hundred one".