138048576049618 has 16 divisors (see below), whose sum is σ = 225824350308480. Its totient is φ = 62908211869776.

The previous prime is 138048576049597. The next prime is 138048576049661. The reversal of 138048576049618 is 816940675840831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33604811980 + ... + 33604816087.

It is an arithmetic number, because the mean of its divisors is an integer number (14114021894280).

Almost surely, 2^{138048576049618} is an apocalyptic number.

138048576049618 is a deficient number, since it is larger than the sum of its proper divisors (87775774258862).

138048576049618 is a wasteful number, since it uses less digits than its factorization.

138048576049618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67209628161.

The product of its (nonzero) digits is 278691840, while the sum is 70.

The spelling of 138048576049618 in words is "one hundred thirty-eight trillion, forty-eight billion, five hundred seventy-six million, forty-nine thousand, six hundred eighteen".