1851406064 has 10 divisors (see below), whose sum is σ = 3587099280. Its totient is φ = 925703024.

The previous prime is 1851406061. The next prime is 1851406133. The reversal of 1851406064 is 4606041581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1851406061) 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 as a sum of consecutive naturals, namely, 57856424 + ... + 57856455.

It is an arithmetic number, because the mean of its divisors is an integer number (358709928).

Almost surely, 2^1851406064 is an apocalyptic number.

It is an amenable number.

1851406064 is a deficient number, since it is larger than the sum of its proper divisors (1735693216).

1851406064 is a wasteful number, since it uses less digits than its factorization.

1851406064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115712887 (or 115712881 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1851406064 is about 43027.9683926629. The cubic root of 1851406064 is about 1227.9119538496.

The spelling of 1851406064 in words is "one billion, eight hundred fifty-one million, four hundred six thousand, sixty-four".