1852066857 has 16 divisors (see below), whose sum is σ = 2669648960. Its totient is φ = 1138110912.

The previous prime is 1852066849. The next prime is 1852066859. The reversal of 1852066857 is 7586602581.

It is not a de Polignac number, because 1852066857 - 2³ = 1852066849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1852066859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436978 + ... + 441195.

It is an arithmetic number, because the mean of its divisors is an integer number (166853060).

Almost surely, 2^1852066857 is an apocalyptic number.

It is an amenable number.

1852066857 is a deficient number, since it is larger than the sum of its proper divisors (817582103).

1852066857 is a wasteful number, since it uses less digits than its factorization.

1852066857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878232.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 1852066857 is about 43035.6463527620. The cubic root of 1852066857 is about 1228.0580228519.

The spelling of 1852066857 in words is "one billion, eight hundred fifty-two million, sixty-six thousand, eight hundred fifty-seven".