1851002016 has 48 divisors (see below), whose sum is σ = 4925458944. Its totient is φ = 608546304.

The previous prime is 1851002011. The next prime is 1851002029. The reversal of 1851002016 is 6102001581.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1851002011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125056 + ... + 139071.

It is an arithmetic number, because the mean of its divisors is an integer number (102613728).

Almost surely, 2^1851002016 is an apocalyptic number.

1851002016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1851002016 is an abundant number, since it is smaller than the sum of its proper divisors (3074456928).

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

1851002016 is a wasteful number, since it uses less digits than its factorization.

1851002016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264213 (or 264205 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1851002016 is about 43023.2729577841. The cubic root of 1851002016 is about 1227.8226214813.

Adding to 1851002016 its reverse (6102001581), we get a palindrome (7953003597).

The spelling of 1851002016 in words is "one billion, eight hundred fifty-one million, two thousand, sixteen".