16325767428 has 48 divisors (see below), whose sum is σ = 38208004800. Its totient is φ = 5425588224.

The previous prime is 16325767427. The next prime is 16325767453. The reversal of 16325767428 is 82476752361.

It is a happy number.

It is a super-2 number, since 2×16325767428² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16325767427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8093076 + ... + 8095092.

It is an arithmetic number, because the mean of its divisors is an integer number (796000100).

Almost surely, 2^16325767428 is an apocalyptic number.

It is an amenable number.

16325767428 is an abundant number, since it is smaller than the sum of its proper divisors (21882237372).

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

16325767428 is a wasteful number, since it uses less digits than its factorization.

16325767428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716 (or 3714 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 16325767428 in words is "sixteen billion, three hundred twenty-five million, seven hundred sixty-seven thousand, four hundred twenty-eight".