16690032101 has 4 divisors (see below), whose sum is σ = 16752077100. Its totient is φ = 16627987104.

The previous prime is 16690032089. The next prime is 16690032103. The reversal of 16690032101 is 10123009661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1171350625 + 15518681476 = 34225^2 + 124574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16690032101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690032103) 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, 31022096 + ... + 31022633.

It is an arithmetic number, because the mean of its divisors is an integer number (4188019275).

Almost surely, 2^16690032101 is an apocalyptic number.

It is an amenable number.

16690032101 is a deficient number, since it is larger than the sum of its proper divisors (62044999).

16690032101 is an equidigital number, since it uses as much as digits as its factorization.

16690032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62044998.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 16690032101 in words is "sixteen billion, six hundred ninety million, thirty-two thousand, one hundred one".