7157906371618 has 16 divisors (see below), whose sum is σ = 11118582319680. Its totient is φ = 3451967514576.

The previous prime is 7157906371601. The next prime is 7157906371639. The reversal of 7157906371618 is 8161736097517.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 63755796 + ... + 63867967.

It is an arithmetic number, because the mean of its divisors is an integer number (694911394980).

Almost surely, 2^{7157906371618} is an apocalyptic number.

7157906371618 is a deficient number, since it is larger than the sum of its proper divisors (3960675948062).

7157906371618 is a wasteful number, since it uses less digits than its factorization.

7157906371618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127624761.

The product of its (nonzero) digits is 13335840, while the sum is 61.

The spelling of 7157906371618 in words is "seven trillion, one hundred fifty-seven billion, nine hundred six million, three hundred seventy-one thousand, six hundred eighteen".