16578498340 has 24 divisors (see below), whose sum is σ = 34909725312. Its totient is φ = 6613327200.

The previous prime is 16578498301. The next prime is 16578498347. The reversal of 16578498340 is 4389487561.

It is not an unprimeable number, because it can be changed into a prime (16578498347) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1121986 + ... + 1136665.

It is an arithmetic number, because the mean of its divisors is an integer number (1454571888).

Almost surely, 2^16578498340 is an apocalyptic number.

16578498340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16578498340 is an abundant number, since it is smaller than the sum of its proper divisors (18331226972).

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

16578498340 is a wasteful number, since it uses less digits than its factorization.

16578498340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259027 (or 2259025 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 16578498340 in words is "sixteen billion, five hundred seventy-eight million, four hundred ninety-eight thousand, three hundred forty".