4221654816162 has 128 divisors (see below), whose sum is σ = 9895576320000. Its totient is φ = 1200181147200.

The previous prime is 4221654816107. The next prime is 4221654816167. The reversal of 4221654816162 is 2616184561224.

It is not an unprimeable number, because it can be changed into a prime (4221654816167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 352650837 + ... + 352662807.

It is an arithmetic number, because the mean of its divisors is an integer number (77309190000).

Almost surely, 2^{4221654816162} is an apocalyptic number.

4221654816162 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221654816162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4947788160000).

4221654816162 is an abundant number, since it is smaller than the sum of its proper divisors (5673921503838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221654816162 is a wasteful number, since it uses less digits than its factorization.

4221654816162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12837 (or 12823 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The spelling of 4221654816162 in words is "four trillion, two hundred twenty-one billion, six hundred fifty-four million, eight hundred sixteen thousand, one hundred sixty-two".