1916339093761 has 9 divisors (see below), whose sum is σ = 1926390223299. Its totient is φ = 1906340157624.

The previous prime is 1916339093749. The next prime is 1916339093771. The reversal of 1916339093761 is 1673909336191.

The square root of 1916339093761 is 1384319.

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

It can be written as a sum of positive squares in only one way, i.e., 1877626170225 + 38712923536 = 1370265^2 + 196756^2 .

It is not a de Polignac number, because 1916339093761 - 2¹⁹ = 1916338569473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1916339093696 and 1916339093705.

It is not an unprimeable number, because it can be changed into a prime (1916339093741) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 272707330 + ... + 272714356.

Almost surely, 2^{1916339093761} is an apocalyptic number.

1916339093761 is the 1384319-th square number.

1916339093761 is the 692160-th centered octagonal number.

It is an amenable number.

1916339093761 is a deficient number, since it is larger than the sum of its proper divisors (10051129538).

1916339093761 is an frugal number, since it uses more digits than its factorization.

1916339093761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448 (or 7224 counting only the distinct ones).

The product of its (nonzero) digits is 4960116, while the sum is 58.

The spelling of 1916339093761 in words is "one trillion, nine hundred sixteen billion, three hundred thirty-nine million, ninety-three thousand, seven hundred sixty-one".