1853054066 has 4 divisors (see below), whose sum is σ = 2779581102. Its totient is φ = 926527032.

The previous prime is 1853054033. The next prime is 1853054069. The reversal of 1853054066 is 6604503581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6604503581 = 13 ⋅508038737.

It can be written as a sum of positive squares in only one way, i.e., 1761564841 + 91489225 = 41971^2 + 9565^2 .

It is not an unprimeable number, because it can be changed into a prime (1853054069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463263515 + ... + 463263518.

Almost surely, 2^1853054066 is an apocalyptic number.

1853054066 is a deficient number, since it is larger than the sum of its proper divisors (926527036).

1853054066 is an equidigital number, since it uses as much as digits as its factorization.

1853054066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926527035.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1853054066 is about 43047.1144909853. The cubic root of 1853054066 is about 1228.2761817492.

The spelling of 1853054066 in words is "one billion, eight hundred fifty-three million, fifty-four thousand, sixty-six".