1466808378 has 16 divisors (see below), whose sum is σ = 3352704960. Its totient is φ = 419088096.

The previous prime is 1466808373. The next prime is 1466808391. The reversal of 1466808378 is 8738086641.

It is a self number, because there is not a number n which added to its sum of digits gives 1466808378.

It is not an unprimeable number, because it can be changed into a prime (1466808373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17461963 + ... + 17462046.

It is an arithmetic number, because the mean of its divisors is an integer number (209544060).

Almost surely, 2^1466808378 is an apocalyptic number.

1466808378 is an abundant number, since it is smaller than the sum of its proper divisors (1885896582).

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

1466808378 is a wasteful number, since it uses less digits than its factorization.

1466808378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34924021.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 1466808378 is about 38298.9344238192. The cubic root of 1466808378 is about 1136.2078722002.

The spelling of 1466808378 in words is "one billion, four hundred sixty-six million, eight hundred eight thousand, three hundred seventy-eight".