16256428154 has 4 divisors (see below), whose sum is σ = 24384642234. Its totient is φ = 8128214076.

The previous prime is 16256428087. The next prime is 16256428157. The reversal of 16256428154 is 45182465261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16223881129 + 32547025 = 127373^2 + 5705^2 .

It is not an unprimeable number, because it can be changed into a prime (16256428157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4064107037 + ... + 4064107040.

Almost surely, 2^16256428154 is an apocalyptic number.

16256428154 is a deficient number, since it is larger than the sum of its proper divisors (8128214080).

16256428154 is an equidigital number, since it uses as much as digits as its factorization.

16256428154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128214079.

The product of its digits is 460800, while the sum is 44.

The spelling of 16256428154 in words is "sixteen billion, two hundred fifty-six million, four hundred twenty-eight thousand, one hundred fifty-four".