1851254016 has 72 divisors (see below), whose sum is σ = 4952203200. Its totient is φ = 613933056.

The previous prime is 1851253991. The next prime is 1851254051. The reversal of 1851254016 is 6104521581.

It is a super-2 number, since 2×1851254016² = 6854282863512256512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146776 + ... + 158888.

It is an arithmetic number, because the mean of its divisors is an integer number (68780600).

Almost surely, 2^1851254016 is an apocalyptic number.

1851254016 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 1851254016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476101600).

1851254016 is an abundant number, since it is smaller than the sum of its proper divisors (3100949184).

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

1851254016 is a wasteful number, since it uses less digits than its factorization.

1851254016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12331 (or 12317 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 1851254016 is about 43026.2015055942. The cubic root of 1851254016 is about 1227.8783385573.

Adding to 1851254016 its reverse (6104521581), we get a palindrome (7955775597).

The spelling of 1851254016 in words is "one billion, eight hundred fifty-one million, two hundred fifty-four thousand, sixteen".