1016797801 has 4 divisors (see below), whose sum is σ = 1030726612. Its totient is φ = 1002868992.

The previous prime is 1016797763. The next prime is 1016797807. The reversal of 1016797801 is 1087976101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1087976101 = 3823 ⋅284587.

It can be written as a sum of positive squares in 2 ways, for example, as 652751401 + 364046400 = 25549^2 + 19080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016797801 - 2⁹ = 1016797289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016797807) 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, 6964296 + ... + 6964441.

It is an arithmetic number, because the mean of its divisors is an integer number (257681653).

Almost surely, 2^1016797801 is an apocalyptic number.

It is an amenable number.

1016797801 is a deficient number, since it is larger than the sum of its proper divisors (13928811).

1016797801 is an equidigital number, since it uses as much as digits as its factorization.

1016797801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928810.

The product of its (nonzero) digits is 21168, while the sum is 40.

The square root of 1016797801 is about 31887.2670669658. The cubic root of 1016797801 is about 1005.5682045509.

The spelling of 1016797801 in words is "one billion, sixteen million, seven hundred ninety-seven thousand, eight hundred one".