1604168826 has 16 divisors (see below), whose sum is σ = 3455133024. Its totient is φ = 493590384.

The previous prime is 1604168743. The next prime is 1604168827. The reversal of 1604168826 is 6288614061.

It is not an unprimeable number, because it can be changed into a prime (1604168827) 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, 10283056 + ... + 10283211.

It is an arithmetic number, because the mean of its divisors is an integer number (215945814).

Almost surely, 2^1604168826 is an apocalyptic number.

1604168826 is an abundant number, since it is smaller than the sum of its proper divisors (1850964198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1604168826 is a wasteful number, since it uses less digits than its factorization.

1604168826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20566285.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1604168826 is about 40052.0764255737. The cubic root of 1604168826 is about 1170.6220244210.

The spelling of 1604168826 in words is "one billion, six hundred four million, one hundred sixty-eight thousand, eight hundred twenty-six".