61134165653 has 16 divisors (see below), whose sum is σ = 67247433792. Its totient is φ = 55114992000.

The previous prime is 61134165607. The next prime is 61134165683. The reversal of 61134165653 is 35656143116.

It is a cyclic number.

It is not a de Polignac number, because 61134165653 - 2¹⁶ = 61134100117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61134165653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61134165683) 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, 789593 + ... + 863553.

It is an arithmetic number, because the mean of its divisors is an integer number (4202964612).

Almost surely, 2^61134165653 is an apocalyptic number.

It is an amenable number.

61134165653 is a deficient number, since it is larger than the sum of its proper divisors (6113268139).

61134165653 is a wasteful number, since it uses less digits than its factorization.

61134165653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74596.

The product of its digits is 194400, while the sum is 41.

The spelling of 61134165653 in words is "sixty-one billion, one hundred thirty-four million, one hundred sixty-five thousand, six hundred fifty-three".