70144359618 has 64 divisors (see below), whose sum is σ = 151190323200. Its totient is φ = 21631980480.

The previous prime is 70144359613. The next prime is 70144359629. The reversal of 70144359618 is 81695344107.

It is not an unprimeable number, because it can be changed into a prime (70144359613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11928403 + ... + 11934281.

It is an arithmetic number, because the mean of its divisors is an integer number (2362348800).

Almost surely, 2^70144359618 is an apocalyptic number.

70144359618 is an abundant number, since it is smaller than the sum of its proper divisors (81045963582).

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

70144359618 is a wasteful number, since it uses less digits than its factorization.

70144359618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8727.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 70144359618 in words is "seventy billion, one hundred forty-four million, three hundred fifty-nine thousand, six hundred eighteen".