16427001377 has 4 divisors (see below), whose sum is σ = 16428872880. Its totient is φ = 16425129876.

The previous prime is 16427001337. The next prime is 16427001467. The reversal of 16427001377 is 77310072461.

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 not a de Polignac number, because 16427001377 - 2¹⁰ = 16427000353 is a prime.

It is a super-2 number, since 2×16427001377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16427001377.

It is not an unprimeable number, because it can be changed into a prime (16427001337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922523 + ... + 940160.

It is an arithmetic number, because the mean of its divisors is an integer number (4107218220).

Almost surely, 2^16427001377 is an apocalyptic number.

It is an amenable number.

16427001377 is a deficient number, since it is larger than the sum of its proper divisors (1871503).

16427001377 is an equidigital number, since it uses as much as digits as its factorization.

16427001377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871502.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 16427001377 in words is "sixteen billion, four hundred twenty-seven million, one thousand, three hundred seventy-seven".