61165153463 has 2 divisors, whose sum is σ = 61165153464. Its totient is φ = 61165153462.

The previous prime is 61165153433. The next prime is 61165153499. The reversal of 61165153463 is 36435156116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61165153463 - 2²⁰ = 61164104887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61165153463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61165153403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30582576731 + 30582576732.

It is an arithmetic number, because the mean of its divisors is an integer number (30582576732).

Almost surely, 2^61165153463 is an apocalyptic number.

61165153463 is a deficient number, since it is larger than the sum of its proper divisors (1).

61165153463 is an equidigital number, since it uses as much as digits as its factorization.

61165153463 is an evil number, because the sum of its binary digits is even.

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

The spelling of 61165153463 in words is "sixty-one billion, one hundred sixty-five million, one hundred fifty-three thousand, four hundred sixty-three".