16137406663 has 16 divisors (see below), whose sum is σ = 18800087040. Its totient is φ = 13564321056.

The previous prime is 16137406657. The next prime is 16137406687. The reversal of 16137406663 is 36660473161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16137406663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16137406633) 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, 820956 + ... + 840382.

It is an arithmetic number, because the mean of its divisors is an integer number (1175005440).

Almost surely, 2^16137406663 is an apocalyptic number.

16137406663 is a deficient number, since it is larger than the sum of its proper divisors (2662680377).

16137406663 is a wasteful number, since it uses less digits than its factorization.

16137406663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21726.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 16137406663 in words is "sixteen billion, one hundred thirty-seven million, four hundred six thousand, six hundred sixty-three".