1819790162 has 16 divisors (see below), whose sum is σ = 2749528320. Its totient is φ = 903303792.

The previous prime is 1819790123. The next prime is 1819790173. The reversal of 1819790162 is 2610979181.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160889 + ... + 171827.

It is an arithmetic number, because the mean of its divisors is an integer number (171845520).

Almost surely, 2^1819790162 is an apocalyptic number.

1819790162 is a deficient number, since it is larger than the sum of its proper divisors (929738158).

1819790162 is a wasteful number, since it uses less digits than its factorization.

1819790162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537.

The product of its (nonzero) digits is 54432, while the sum is 44.

The square root of 1819790162 is about 42658.9986052181. The cubic root of 1819790162 is about 1220.8822253553.

The spelling of 1819790162 in words is "one billion, eight hundred nineteen million, seven hundred ninety thousand, one hundred sixty-two".