1806116654 has 4 divisors (see below), whose sum is σ = 2709174984. Its totient is φ = 903058326.

The previous prime is 1806116651. The next prime is 1806116671. The reversal of 1806116654 is 4566116081.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806116651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451529162 + ... + 451529165.

It is an arithmetic number, because the mean of its divisors is an integer number (677293746).

Almost surely, 2^1806116654 is an apocalyptic number.

1806116654 is a deficient number, since it is larger than the sum of its proper divisors (903058330).

1806116654 is an equidigital number, since it uses as much as digits as its factorization.

1806116654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903058329.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1806116654 is about 42498.4311945747. The cubic root of 1806116654 is about 1217.8167200222.

The spelling of 1806116654 in words is "one billion, eight hundred six million, one hundred sixteen thousand, six hundred fifty-four".