61163699 has 2 divisors, whose sum is σ = 61163700. Its totient is φ = 61163698.

The previous prime is 61163659. The next prime is 61163723. The reversal of 61163699 is 99636116.

61163699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61163699 - 2²⁴ = 44386483 is a prime.

It is not a weakly prime, because it can be changed into another prime (61163659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30581849 + 30581850.

It is an arithmetic number, because the mean of its divisors is an integer number (30581850).

Almost surely, 2^61163699 is an apocalyptic number.

61163699 is a deficient number, since it is larger than the sum of its proper divisors (1).

61163699 is an equidigital number, since it uses as much as digits as its factorization.

61163699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The square root of 61163699 is about 7820.7224090873. The cubic root of 61163699 is about 394.0015352908.

The spelling of 61163699 in words is "sixty-one million, one hundred sixty-three thousand, six hundred ninety-nine".