16493396516 has 12 divisors (see below), whose sum is σ = 29000238960. Its totient is φ = 8207613960.

The previous prime is 16493396503. The next prime is 16493396537. The reversal of 16493396516 is 61569339461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9770126 + ... + 9771813.

It is an arithmetic number, because the mean of its divisors is an integer number (2416686580).

Almost surely, 2^16493396516 is an apocalyptic number.

It is an amenable number.

16493396516 is a deficient number, since it is larger than the sum of its proper divisors (12506842444).

16493396516 is a wasteful number, since it uses less digits than its factorization.

16493396516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19542154 (or 19542152 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 53.

The spelling of 16493396516 in words is "sixteen billion, four hundred ninety-three million, three hundred ninety-six thousand, five hundred sixteen".