1906545118 has 32 divisors (see below), whose sum is σ = 3049358400. Its totient is φ = 892066560.

The previous prime is 1906545107. The next prime is 1906545127. The reversal of 1906545118 is 8115456091.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 551058 + ... + 554506.

It is an arithmetic number, because the mean of its divisors is an integer number (95292450).

Almost surely, 2^1906545118 is an apocalyptic number.

1906545118 is a deficient number, since it is larger than the sum of its proper divisors (1142813282).

1906545118 is a wasteful number, since it uses less digits than its factorization.

1906545118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 1906545118 is about 43664.0025421399. The cubic root of 1906545118 is about 1239.9828990878.

The spelling of 1906545118 in words is "one billion, nine hundred six million, five hundred forty-five thousand, one hundred eighteen".