1601653504326 has 8 divisors (see below), whose sum is σ = 3203307008664. Its totient is φ = 533884501440.

The previous prime is 1601653504301. The next prime is 1601653504327. The reversal of 1601653504326 is 6234053561061.

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

1601653504326 is an admirable number.

It is a super-2 number, since 2×1601653504326² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601653504327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133471125355 + ... + 133471125366.

It is an arithmetic number, because the mean of its divisors is an integer number (400413376083).

Almost surely, 2^{1601653504326} is an apocalyptic number.

1601653504326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1601653504326 is a wasteful number, since it uses less digits than its factorization.

1601653504326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266942250726.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1601653504326 in words is "one trillion, six hundred one billion, six hundred fifty-three million, five hundred four thousand, three hundred twenty-six".