16700051101 has 4 divisors (see below), whose sum is σ = 16784823132. Its totient is φ = 16615279072.

The previous prime is 16700051057. The next prime is 16700051107. The reversal of 16700051101 is 10115000761.

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 12491415225 + 4208635876 = 111765^2 + 64874^2 .

It is a cyclic number.

It is not a de Polignac number, because 16700051101 - 2²¹ = 16697953949 is a prime.

It is a super-2 number, since 2×16700051101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16700051107) 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, 42385720 + ... + 42386113.

It is an arithmetic number, because the mean of its divisors is an integer number (4196205783).

Almost surely, 2^16700051101 is an apocalyptic number.

It is an amenable number.

16700051101 is a deficient number, since it is larger than the sum of its proper divisors (84772031).

16700051101 is an equidigital number, since it uses as much as digits as its factorization.

16700051101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84772030.

The product of its (nonzero) digits is 210, while the sum is 22.

Adding to 16700051101 its reverse (10115000761), we get a palindrome (26815051862).

The spelling of 16700051101 in words is "sixteen billion, seven hundred million, fifty-one thousand, one hundred one".