16362553477 has 2 divisors, whose sum is σ = 16362553478. Its totient is φ = 16362553476.

The previous prime is 16362553439. The next prime is 16362553531. The reversal of 16362553477 is 77435526361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14526516676 + 1836036801 = 120526^2 + 42849^2 .

It is a cyclic number.

It is not a de Polignac number, because 16362553477 - 2²⁷ = 16228335749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16362553477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16362553777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8181276738 + 8181276739.

It is an arithmetic number, because the mean of its divisors is an integer number (8181276739).

Almost surely, 2^16362553477 is an apocalyptic number.

It is an amenable number.

16362553477 is a deficient number, since it is larger than the sum of its proper divisors (1).

16362553477 is an equidigital number, since it uses as much as digits as its factorization.

16362553477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 49.

The spelling of 16362553477 in words is "sixteen billion, three hundred sixty-two million, five hundred fifty-three thousand, four hundred seventy-seven".