16870080842 has 4 divisors (see below), whose sum is σ = 25305121266. Its totient is φ = 8435040420.

The previous prime is 16870080839. The next prime is 16870080853. The reversal of 16870080842 is 24808007861.

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

It can be written as a sum of positive squares in only one way, i.e., 15996937441 + 873143401 = 126479^2 + 29549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16870080793 and 16870080802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4217520209 + ... + 4217520212.

Almost surely, 2^16870080842 is an apocalyptic number.

16870080842 is a deficient number, since it is larger than the sum of its proper divisors (8435040424).

16870080842 is an equidigital number, since it uses as much as digits as its factorization.

16870080842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435040423.

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 16870080842 in words is "sixteen billion, eight hundred seventy million, eighty thousand, eight hundred forty-two".