16267561057 has 4 divisors (see below), whose sum is σ = 17746430256. Its totient is φ = 14788691860.

The previous prime is 16267561031. The next prime is 16267561091. The reversal of 16267561057 is 75016576261.

It is a happy number.

16267561057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16267561057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16267560998 and 16267561016.

It is not an unprimeable number, because it can be changed into a prime (16267561027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739434583 + ... + 739434604.

It is an arithmetic number, because the mean of its divisors is an integer number (4436607564).

Almost surely, 2^16267561057 is an apocalyptic number.

It is an amenable number.

16267561057 is a deficient number, since it is larger than the sum of its proper divisors (1478869199).

16267561057 is a wasteful number, since it uses less digits than its factorization.

16267561057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478869198.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 16267561057 in words is "sixteen billion, two hundred sixty-seven million, five hundred sixty-one thousand, fifty-seven".