2159415168618 has 16 divisors (see below), whose sum is σ = 4359193238880. Its totient is φ = 713077905936.

The previous prime is 2159415168607. The next prime is 2159415168619. The reversal of 2159415168618 is 8168615149512.

It is not an unprimeable number, because it can be changed into a prime (2159415168619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681786873 + ... + 1681788156.

It is an arithmetic number, because the mean of its divisors is an integer number (272449577430).

Almost surely, 2^{2159415168618} is an apocalyptic number.

2159415168618 is an abundant number, since it is smaller than the sum of its proper divisors (2199778070262).

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

2159415168618 is a wasteful number, since it uses less digits than its factorization.

2159415168618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363575141.

The product of its digits is 4147200, while the sum is 57.

The spelling of 2159415168618 in words is "two trillion, one hundred fifty-nine billion, four hundred fifteen million, one hundred sixty-eight thousand, six hundred eighteen".