1346256618 has 64 divisors (see below), whose sum is σ = 3269410560. Its totient is φ = 361331712.

The previous prime is 1346256601. The next prime is 1346256671. The reversal of 1346256618 is 8166526431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1346256618.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 30130 + ... + 60002.

It is an arithmetic number, because the mean of its divisors is an integer number (51084540).

Almost surely, 2^1346256618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1346256618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634705280).

1346256618 is an abundant number, since it is smaller than the sum of its proper divisors (1923153942).

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

1346256618 is a wasteful number, since it uses less digits than its factorization.

1346256618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29951.

The product of its digits is 207360, while the sum is 42.

The square root of 1346256618 is about 36691.3698027206. The cubic root of 1346256618 is about 1104.1869678486.

The spelling of 1346256618 in words is "one billion, three hundred forty-six million, two hundred fifty-six thousand, six hundred eighteen".