16342421472 has 288 divisors, whose sum is σ = 52574453568. Its totient is φ = 4777648128.

The previous prime is 16342421471. The next prime is 16342421483. The reversal of 16342421472 is 27412424361.

16342421472 is a `hidden beast` number, since 1 + 634 + 2 + 4 + 2 + 14 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16342421471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14896828 + ... + 14897924.

It is an arithmetic number, because the mean of its divisors is an integer number (182550186).

Almost surely, 2^16342421472 is an apocalyptic number.

16342421472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16342421472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26287226784).

16342421472 is an abundant number, since it is smaller than the sum of its proper divisors (36232032096).

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

16342421472 is a wasteful number, since it uses less digits than its factorization.

16342421472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1311 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The spelling of 16342421472 in words is "sixteen billion, three hundred forty-two million, four hundred twenty-one thousand, four hundred seventy-two".