16493396536 has 8 divisors (see below), whose sum is σ = 30925118520. Its totient is φ = 8246698264.

The previous prime is 16493396503. The next prime is 16493396537. The reversal of 16493396536 is 63569339461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16493396537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030837276 + ... + 1030837291.

It is an arithmetic number, because the mean of its divisors is an integer number (3865639815).

Almost surely, 2^16493396536 is an apocalyptic number.

It is an amenable number.

16493396536 is a deficient number, since it is larger than the sum of its proper divisors (14431721984).

16493396536 is a wasteful number, since it uses less digits than its factorization.

16493396536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061674573 (or 2061674569 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 55.

The spelling of 16493396536 in words is "sixteen billion, four hundred ninety-three million, three hundred ninety-six thousand, five hundred thirty-six".