16872810042 has 16 divisors (see below), whose sum is σ = 36813403872. Its totient is φ = 5112972720.

The previous prime is 16872810013. The next prime is 16872810043. The reversal of 16872810042 is 24001827861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16872810043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127824253 + ... + 127824384.

It is an arithmetic number, because the mean of its divisors is an integer number (2300837742).

Almost surely, 2^16872810042 is an apocalyptic number.

16872810042 is an abundant number, since it is smaller than the sum of its proper divisors (19940593830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16872810042 is a wasteful number, since it uses less digits than its factorization.

16872810042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255648653.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 16872810042 in words is "sixteen billion, eight hundred seventy-two million, eight hundred ten thousand, forty-two".