7040161061 has 4 divisors (see below), whose sum is σ = 7040416800. Its totient is φ = 7039905324.

The previous prime is 7040161049. The next prime is 7040161081. The reversal of 7040161061 is 1601610407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1601610407 = 1063 ⋅1506689.

It is a cyclic number.

It is not a de Polignac number, because 7040161061 - 2¹⁴ = 7040144677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7040161061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040161021) 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, 80801 + ... + 143558.

It is an arithmetic number, because the mean of its divisors is an integer number (1760104200).

Almost surely, 2^7040161061 is an apocalyptic number.

It is an amenable number.

7040161061 is a deficient number, since it is larger than the sum of its proper divisors (255739).

7040161061 is a wasteful number, since it uses less digits than its factorization.

7040161061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255738.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7040161061 is about 83905.6676333607. The cubic root of 7040161061 is about 1916.5825584499.

Adding to 7040161061 its reverse (1601610407), we get a palindrome (8641771468).

The spelling of 7040161061 in words is "seven billion, forty million, one hundred sixty-one thousand, sixty-one".