1608091036512 has 48 divisors (see below), whose sum is σ = 4226535582192. Its totient is φ = 535357760000.

The previous prime is 1608091036499. The next prime is 1608091036523. The reversal of 1608091036512 is 2156301908061.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1608091036512² (a number of 25 digits) contains 22 as substring.

It is a congruent 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, 10432239 + ... + 10585262.

It is an arithmetic number, because the mean of its divisors is an integer number (88052824629).

Almost surely, 2^{1608091036512} is an apocalyptic number.

1608091036512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1608091036512 is an abundant number, since it is smaller than the sum of its proper divisors (2618444545680).

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

1608091036512 is a wasteful number, since it uses less digits than its factorization.

1608091036512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21018311 (or 21018303 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 1608091036512 in words is "one trillion, six hundred eight billion, ninety-one million, thirty-six thousand, five hundred twelve".