16520000494 has 32 divisors (see below), whose sum is σ = 25597668096. Its totient is φ = 7991343360.

The previous prime is 16520000491. The next prime is 16520000513. The reversal of 16520000494 is 49400002561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16520000491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8189374 + ... + 8191390.

It is an arithmetic number, because the mean of its divisors is an integer number (799927128).

Almost surely, 2^16520000494 is an apocalyptic number.

16520000494 is a deficient number, since it is larger than the sum of its proper divisors (9077667602).

16520000494 is a wasteful number, since it uses less digits than its factorization.

16520000494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 16520000494 in words is "sixteen billion, five hundred twenty million, four hundred ninety-four", and thus it is an aban number.