16493396513 has 8 divisors (see below), whose sum is σ = 18027205536. Its totient is φ = 14965322400.

The previous prime is 16493396503. The next prime is 16493396537. The reversal of 16493396513 is 31569339461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16493396513 - 2⁴ = 16493396497 is a prime.

It is a super-3 number, since 3×16493396513³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16493396503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427708 + ... + 1439213.

It is an arithmetic number, because the mean of its divisors is an integer number (2253400692).

Almost surely, 2^16493396513 is an apocalyptic number.

It is an amenable number.

16493396513 is a deficient number, since it is larger than the sum of its proper divisors (1533809023).

16493396513 is a wasteful number, since it uses less digits than its factorization.

16493396513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867455.

The product of its digits is 1574640, while the sum is 50.

The spelling of 16493396513 in words is "sixteen billion, four hundred ninety-three million, three hundred ninety-six thousand, five hundred thirteen".