16277504055157 has 4 divisors (see below), whose sum is σ = 16277512124236. Its totient is φ = 16277495986080.

The previous prime is 16277504055151. The next prime is 16277504055209. The reversal of 16277504055157 is 75155040577261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14792015989521 + 1485488065636 = 3846039^2 + 1218806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16277504055157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16277504055098 and 16277504055107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16277504055151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015857 + ... + 6051337.

It is an arithmetic number, because the mean of its divisors is an integer number (4069378031059).

Almost surely, 2^{16277504055157} is an apocalyptic number.

It is an amenable number.

16277504055157 is a deficient number, since it is larger than the sum of its proper divisors (8069079).

16277504055157 is an equidigital number, since it uses as much as digits as its factorization.

16277504055157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069078.

The product of its (nonzero) digits is 10290000, while the sum is 55.

The spelling of 16277504055157 in words is "sixteen trillion, two hundred seventy-seven billion, five hundred four million, fifty-five thousand, one hundred fifty-seven".