61168039 has 2 divisors, whose sum is σ = 61168040. Its totient is φ = 61168038.

The previous prime is 61168033. The next prime is 61168097. The reversal of 61168039 is 93086116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61168039 - 2³ = 61168031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61167995 and 61168013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61168031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30584019 + 30584020.

It is an arithmetic number, because the mean of its divisors is an integer number (30584020).

Almost surely, 2^61168039 is an apocalyptic number.

61168039 is a deficient number, since it is larger than the sum of its proper divisors (1).

61168039 is an equidigital number, since it uses as much as digits as its factorization.

61168039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 61168039 is about 7820.9998721391. Note that the first 3 decimals coincide. The cubic root of 61168039 is about 394.0108541420.

It can be divided in two parts, 61 and 168039, that added together give a square (168100 = 410²).

The spelling of 61168039 in words is "sixty-one million, one hundred sixty-eight thousand, thirty-nine".