1674651216 has 80 divisors (see below), whose sum is σ = 4950540288. Its totient is φ = 477859200.

The previous prime is 1674651151. The next prime is 1674651247. The reversal of 1674651216 is 6121564761.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303361 + ... + 308831.

Almost surely, 2^1674651216 is an apocalyptic number.

1674651216 is a gapful number since it is divisible by the number (16) 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 1674651216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475270144).

1674651216 is an abundant number, since it is smaller than the sum of its proper divisors (3275889072).

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

1674651216 is a wasteful number, since it uses less digits than its factorization.

1674651216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400 (or 6394 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 1674651216 is about 40922.5025627710. The cubic root of 1674651216 is about 1187.5214320195.

The spelling of 1674651216 in words is "one billion, six hundred seventy-four million, six hundred fifty-one thousand, two hundred sixteen".