16361486493 has 16 divisors (see below), whose sum is σ = 23930018112. Its totient is φ = 9861264000.

The previous prime is 16361486489. The next prime is 16361486513. The reversal of 16361486493 is 39468416361.

It is not a de Polignac number, because 16361486493 - 2² = 16361486489 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16361486693) 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, 1363648 + ... + 1375593.

It is an arithmetic number, because the mean of its divisors is an integer number (1495626132).

Almost surely, 2^16361486493 is an apocalyptic number.

It is an amenable number.

16361486493 is a deficient number, since it is larger than the sum of its proper divisors (7568531619).

16361486493 is a wasteful number, since it uses less digits than its factorization.

16361486493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739436.

The product of its digits is 2239488, while the sum is 51.

The spelling of 16361486493 in words is "sixteen billion, three hundred sixty-one million, four hundred eighty-six thousand, four hundred ninety-three".