1608153912 has 40 divisors (see below), whose sum is σ = 4504321800. Its totient is φ = 536051088.

The previous prime is 1608153893. The next prime is 1608153917. The reversal of 1608153912 is 2193518061.

1608153912 is a `hidden beast` number, since 1 + 608 + 1 + 5 + 39 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608153917) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1240212 + ... + 1241507.

It is an arithmetic number, because the mean of its divisors is an integer number (112608045).

Almost surely, 2^1608153912 is an apocalyptic number.

1608153912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1608153912 is an abundant number, since it is smaller than the sum of its proper divisors (2896167888).

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

1608153912 is a wasteful number, since it uses less digits than its factorization.

1608153912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481737 (or 2481724 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1608153912 is about 40101.7943738182. The cubic root of 1608153912 is about 1171.5905782962.

The spelling of 1608153912 in words is "one billion, six hundred eight million, one hundred fifty-three thousand, nine hundred twelve".