16974064042 has 16 divisors (see below), whose sum is σ = 28088415432. Its totient is φ = 7643105280.

The previous prime is 16974063973. The next prime is 16974064049. The reversal of 16974064042 is 24046047961.

It can be written as a sum of positive squares in 4 ways, for example, as 6730397521 + 10243666521 = 82039^2 + 101211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16974064042.

It is not an unprimeable number, because it can be changed into a prime (16974064049) 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, 7960503 + ... + 7962634.

Almost surely, 2^16974064042 is an apocalyptic number.

16974064042 is a deficient number, since it is larger than the sum of its proper divisors (11114351390).

16974064042 is a wasteful number, since it uses less digits than its factorization.

16974064042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923193.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 16974064042 in words is "sixteen billion, nine hundred seventy-four million, sixty-four thousand, forty-two".