1601554053623 has 2 divisors, whose sum is σ = 1601554053624. Its totient is φ = 1601554053622.

The previous prime is 1601554053613. The next prime is 1601554053703. The reversal of 1601554053623 is 3263504551061.

It is a weak prime.

It is an emirp because it is prime and its reverse (3263504551061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1601554053623 - 2¹⁰ = 1601554052599 is a prime.

It is a super-2 number, since 2×1601554053623² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601554053613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800777026811 + 800777026812.

It is an arithmetic number, because the mean of its divisors is an integer number (800777026812).

Almost surely, 2^{1601554053623} is an apocalyptic number.

1601554053623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601554053623 is an equidigital number, since it uses as much as digits as its factorization.

1601554053623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 1601554053623 in words is "one trillion, six hundred one billion, five hundred fifty-four million, fifty-three thousand, six hundred twenty-three".