61065166101165 has 48 divisors (see below), whose sum is σ = 108619239980160. Its totient is φ = 31723714189440.

The previous prime is 61065166101161. The next prime is 61065166101169. The reversal of 61065166101165 is 56110166156016.

61065166101165 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 5 + 16 + 610 + 1 + 16 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (61065166101161) and next prime (61065166101169).

It is not a de Polignac number, because 61065166101165 - 2² = 61065166101161 is a prime.

It is a super-3 number, since 3×61065166101165³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61065166101165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61065166101161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91768641 + ... + 92431670.

It is an arithmetic number, because the mean of its divisors is an integer number (2262900832920).

Almost surely, 2^{61065166101165} is an apocalyptic number.

It is an amenable number.

61065166101165 is a deficient number, since it is larger than the sum of its proper divisors (47554073878995).

61065166101165 is a wasteful number, since it uses less digits than its factorization.

61065166101165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184200514 (or 184200511 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 61065166101165 in words is "sixty-one trillion, sixty-five billion, one hundred sixty-six million, one hundred one thousand, one hundred sixty-five".