61662127 has 2 divisors, whose sum is σ = 61662128. Its totient is φ = 61662126.

The previous prime is 61662121. The next prime is 61662157. The reversal of 61662127 is 72126616.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61662127 - 2³ = 61662119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61662121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30831063 + 30831064.

It is an arithmetic number, because the mean of its divisors is an integer number (30831064).

Almost surely, 2^61662127 is an apocalyptic number.

61662127 is a deficient number, since it is larger than the sum of its proper divisors (1).

61662127 is an equidigital number, since it uses as much as digits as its factorization.

61662127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 61662127 is about 7852.5236070960. The cubic root of 61662127 is about 395.0688914717.

The spelling of 61662127 in words is "sixty-one million, six hundred sixty-two thousand, one hundred twenty-seven".