16242242446 has 4 divisors (see below), whose sum is σ = 24363363672. Its totient is φ = 8121121222.

The previous prime is 16242242431. The next prime is 16242242447. The reversal of 16242242446 is 64424224261.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242242447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060560610 + ... + 4060560613.

It is an arithmetic number, because the mean of its divisors is an integer number (6090840918).

Almost surely, 2^16242242446 is an apocalyptic number.

16242242446 is a deficient number, since it is larger than the sum of its proper divisors (8121121226).

16242242446 is an equidigital number, since it uses as much as digits as its factorization.

16242242446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121121225.

The product of its digits is 147456, while the sum is 37.

The spelling of 16242242446 in words is "sixteen billion, two hundred forty-two million, two hundred forty-two thousand, four hundred forty-six".