1674528216 has 128 divisors (see below), whose sum is σ = 4525632000. Its totient is φ = 514695168.

The previous prime is 1674528211. The next prime is 1674528221. The reversal of 1674528216 is 6128254761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1674528211) and next prime (1674528221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674528211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4664245 + ... + 4664603.

It is an arithmetic number, because the mean of its divisors is an integer number (35356500).

Almost surely, 2^1674528216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1674528216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2262816000).

1674528216 is an abundant number, since it is smaller than the sum of its proper divisors (2851103784).

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

1674528216 is a wasteful number, since it uses less digits than its factorization.

1674528216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 629 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 1674528216 is about 40920.9996945334. Note that the first 3 decimals coincide. The cubic root of 1674528216 is about 1187.4923575649.

The spelling of 1674528216 in words is "one billion, six hundred seventy-four million, five hundred twenty-eight thousand, two hundred sixteen".