16870440226 has 4 divisors (see below), whose sum is σ = 25305660342. Its totient is φ = 8435220112.

The previous prime is 16870440137. The next prime is 16870440227. The reversal of 16870440226 is 62204407861.

It is a happy number.

16870440226 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62204407861 = 40849 ⋅1522789.

It can be written as a sum of positive squares in only one way, i.e., 14859366201 + 2011074025 = 121899^2 + 44845^2 .

It is a super-2 number, since 2×16870440226² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16870440227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4217610055 + ... + 4217610058.

Almost surely, 2^16870440226 is an apocalyptic number.

16870440226 is a deficient number, since it is larger than the sum of its proper divisors (8435220116).

16870440226 is an equidigital number, since it uses as much as digits as its factorization.

16870440226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8435220115.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 16870440226 in words is "sixteen billion, eight hundred seventy million, four hundred forty thousand, two hundred twenty-six".