16840046848 has 18 divisors (see below), whose sum is σ = 33614312774. Its totient is φ = 8420023296.

The previous prime is 16840046791. The next prime is 16840046863. The reversal of 16840046848 is 84864004861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16597684224 + 242362624 = 128832^2 + 15568^2 .

It is a super-3 number, since 3×16840046848³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32890461 + ... + 32890972.

Almost surely, 2^16840046848 is an apocalyptic number.

It is an amenable number.

16840046848 is a deficient number, since it is larger than the sum of its proper divisors (16774265926).

16840046848 is an frugal number, since it uses more digits than its factorization.

16840046848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65781449 (or 65781435 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 16840046848 in words is "sixteen billion, eight hundred forty million, forty-six thousand, eight hundred forty-eight".