1608694023 has 8 divisors (see below), whose sum is σ = 2146217200. Its totient is φ = 1071816768.

The previous prime is 1608694019. The next prime is 1608694057. The reversal of 1608694023 is 3204968061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1608694023 - 2² = 1608694019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608694523) 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, 155638 + ... + 165651.

It is an arithmetic number, because the mean of its divisors is an integer number (268277150).

Almost surely, 2^1608694023 is an apocalyptic number.

1608694023 is a deficient number, since it is larger than the sum of its proper divisors (537523177).

1608694023 is a wasteful number, since it uses less digits than its factorization.

1608694023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322961.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1608694023 is about 40108.5280582571. The cubic root of 1608694023 is about 1171.7217262178.

The spelling of 1608694023 in words is "one billion, six hundred eight million, six hundred ninety-four thousand, twenty-three".