16207138877 has 8 divisors (see below), whose sum is σ = 16258579200. Its totient is φ = 16155772864.

The previous prime is 16207138867. The next prime is 16207139009. The reversal of 16207138877 is 77883170261.

It is a happy number.

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 16207138877 - 2¹⁰ = 16207137853 is a prime.

It is a super-2 number, since 2×16207138877² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16207138867) 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, 435749 + ... + 471477.

It is an arithmetic number, because the mean of its divisors is an integer number (2032322400).

Almost surely, 2^16207138877 is an apocalyptic number.

It is an amenable number.

16207138877 is a deficient number, since it is larger than the sum of its proper divisors (51440323).

16207138877 is an equidigital number, since it uses as much as digits as its factorization.

16207138877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37155.

The product of its (nonzero) digits is 790272, while the sum is 50.

The spelling of 16207138877 in words is "sixteen billion, two hundred seven million, one hundred thirty-eight thousand, eight hundred seventy-seven".