61165000056667 has 16 divisors (see below), whose sum is σ = 68668055043840. Its totient is φ = 54097732368000.

The previous prime is 61165000056661. The next prime is 61165000056683. The reversal of 61165000056667 is 76665000056116.

It is a cyclic number.

It is not a de Polignac number, because 61165000056667 - 2³ = 61165000056659 is a prime.

It is a super-2 number, since 2×61165000056667² (a number of 28 digits) contains 22 as substring.

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 61165000056667.

It is not an unprimeable number, because it can be changed into a prime (61165000056661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751316692 + ... + 751398097.

It is an arithmetic number, because the mean of its divisors is an integer number (4291753440240).

Almost surely, 2^{61165000056667} is an apocalyptic number.

61165000056667 is a deficient number, since it is larger than the sum of its proper divisors (7503054987173).

61165000056667 is a wasteful number, since it uses less digits than its factorization.

61165000056667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502714934.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 61165000056667 in words is "sixty-one trillion, one hundred sixty-five billion, fifty-six thousand, six hundred sixty-seven".