4061278370618 has 32 divisors (see below), whose sum is σ = 6991652118528. Its totient is φ = 1733193730800.

The previous prime is 4061278370587. The next prime is 4061278370621. The reversal of 4061278370618 is 8160738721604.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4061278370618.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3972983 + ... + 4889493.

It is an arithmetic number, because the mean of its divisors is an integer number (218489128704).

Almost surely, 2^{4061278370618} is an apocalyptic number.

4061278370618 is a deficient number, since it is larger than the sum of its proper divisors (2930373747910).

4061278370618 is a wasteful number, since it uses less digits than its factorization.

4061278370618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917858.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 4061278370618 in words is "four trillion, sixty-one billion, two hundred seventy-eight million, three hundred seventy thousand, six hundred eighteen".