61026618 has 8 divisors (see below), whose sum is σ = 122053248. Its totient is φ = 20342204.

The previous prime is 61026611. The next prime is 61026619. The reversal of 61026618 is 81662016.

61026618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

61026618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (61026611) 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 in 3 ways as a sum of consecutive naturals, for example, 5085546 + ... + 5085557.

It is an arithmetic number, because the mean of its divisors is an integer number (15256656).

Almost surely, 2^61026618 is an apocalyptic number.

61026618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61026618 is a wasteful number, since it uses less digits than its factorization.

61026618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171108.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 61026618 is about 7811.9535328879. The cubic root of 61026618 is about 393.7069677336.

It can be divided in two parts, 6102 and 6618, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 61026618 in words is "sixty-one million, twenty-six thousand, six hundred eighteen".