1966442054 has 8 divisors (see below), whose sum is σ = 3123172728. Its totient is φ = 925384480.

The previous prime is 1966442047. The next prime is 1966442083. The reversal of 1966442054 is 4502446691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28918232 + ... + 28918299.

It is an arithmetic number, because the mean of its divisors is an integer number (390396591).

Almost surely, 2^1966442054 is an apocalyptic number.

1966442054 is a deficient number, since it is larger than the sum of its proper divisors (1156730674).

1966442054 is a wasteful number, since it uses less digits than its factorization.

1966442054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57836550.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 1966442054 is about 44344.5831415743. The cubic root of 1966442054 is about 1252.8345389725.

The spelling of 1966442054 in words is "one billion, nine hundred sixty-six million, four hundred forty-two thousand, fifty-four".