19160746535401 has 27 divisors (see below), whose sum is σ = 19770623879877. Its totient is φ = 18569552909760.

The previous prime is 19160746535369. The next prime is 19160746535407. The reversal of 19160746535401 is 10453564706191.

The square root of 19160746535401 is 4377299.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5001149505625 + 14159597029776 = 2236325^2 + 3762924^2 .

It is not a de Polignac number, because 19160746535401 - 2⁵ = 19160746535369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19160746535407) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19492111956 + ... + 19492112938.

Almost surely, 2^{19160746535401} is an apocalyptic number.

19160746535401 is the 4377299-th square number.

19160746535401 is the 2188650-th centered octagonal number.

It is an amenable number.

19160746535401 is a deficient number, since it is larger than the sum of its proper divisors (609877344476).

19160746535401 is an frugal number, since it uses more digits than its factorization.

19160746535401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 19160746535401 in words is "nineteen trillion, one hundred sixty billion, seven hundred forty-six million, five hundred thirty-five thousand, four hundred one".