7968157269618 has 384 divisors, whose sum is σ = 20976827074560. Its totient is φ = 1997628272640.

The previous prime is 7968157269617. The next prime is 7968157269641. The reversal of 7968157269618 is 8169627518697.

It is a self number, because there is not a number n which added to its sum of digits gives 7968157269618.

It is not an unprimeable number, because it can be changed into a prime (7968157269613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1655546580 + ... + 1655551392.

It is an arithmetic number, because the mean of its divisors is an integer number (54627153840).

Almost surely, 2^{7968157269618} is an apocalyptic number.

7968157269618 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7968157269618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10488413537280).

7968157269618 is an abundant number, since it is smaller than the sum of its proper divisors (13008669804942).

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

7968157269618 is a wasteful number, since it uses less digits than its factorization.

7968157269618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5115 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 75.

The spelling of 7968157269618 in words is "seven trillion, nine hundred sixty-eight billion, one hundred fifty-seven million, two hundred sixty-nine thousand, six hundred eighteen".