16978822088 has 36 divisors (see below), whose sum is σ = 33296237835. Its totient is φ = 8116252144.

The previous prime is 16978822087. The next prime is 16978822129. The reversal of 16978822088 is 88022887961.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 8489411044 + 8489411044 = 92138^2 + 92138^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=92138.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16978822087) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8475695 + ... + 8477697.

Almost surely, 2^16978822088 is an apocalyptic number.

It is an amenable number.

16978822088 is a deficient number, since it is larger than the sum of its proper divisors (16317415747).

16978822088 is an frugal number, since it uses more digits than its factorization.

16978822088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 59.

The spelling of 16978822088 in words is "sixteen billion, nine hundred seventy-eight million, eight hundred twenty-two thousand, eighty-eight".