57378446266 has 16 divisors (see below), whose sum is σ = 88432335360. Its totient is φ = 27901676880.

The previous prime is 57378446263. The next prime is 57378446269. The reversal of 57378446266 is 66264487375.

It is an interprime number because it is at equal distance from previous prime (57378446263) and next prime (57378446269).

It is a self number, because there is not a number n which added to its sum of digits gives 57378446266.

It is not an unprimeable number, because it can be changed into a prime (57378446263) 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 7 ways as a sum of consecutive naturals, for example, 3255 + ... + 338773.

It is an arithmetic number, because the mean of its divisors is an integer number (5527020960).

Almost surely, 2^57378446266 is an apocalyptic number.

57378446266 is a deficient number, since it is larger than the sum of its proper divisors (31053889094).

57378446266 is a wasteful number, since it uses less digits than its factorization.

57378446266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337869.

The product of its digits is 40642560, while the sum is 58.

The spelling of 57378446266 in words is "fifty-seven billion, three hundred seventy-eight million, four hundred forty-six thousand, two hundred sixty-six".