1605795794 has 16 divisors (see below), whose sum is σ = 2427436032. Its totient is φ = 796674528.

The previous prime is 1605795787. The next prime is 1605795799. The reversal of 1605795794 is 4975975061.

It is not an unprimeable number, because it can be changed into a prime (1605795799) 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, 133847 + ... + 145349.

It is an arithmetic number, because the mean of its divisors is an integer number (151714752).

Almost surely, 2^1605795794 is an apocalyptic number.

1605795794 is a deficient number, since it is larger than the sum of its proper divisors (821640238).

1605795794 is a wasteful number, since it uses less digits than its factorization.

1605795794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12041.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The square root of 1605795794 is about 40072.3819356923. The cubic root of 1605795794 is about 1171.0176438487.

The spelling of 1605795794 in words is "one billion, six hundred five million, seven hundred ninety-five thousand, seven hundred ninety-four".