1890146518 has 16 divisors (see below), whose sum is σ = 3055429440. Its totient is φ = 871770816.

The previous prime is 1890146491. The next prime is 1890146519. The reversal of 1890146518 is 8156410981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890146519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14218 + ... + 63106.

It is an arithmetic number, because the mean of its divisors is an integer number (190964340).

Almost surely, 2^1890146518 is an apocalyptic number.

1890146518 is a deficient number, since it is larger than the sum of its proper divisors (1165282922).

1890146518 is a wasteful number, since it uses less digits than its factorization.

1890146518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50391.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 1890146518 is about 43475.8153230046. The cubic root of 1890146518 is about 1236.4175384545.

The spelling of 1890146518 in words is "one billion, eight hundred ninety million, one hundred forty-six thousand, five hundred eighteen".