1948001966 has 4 divisors (see below), whose sum is σ = 2922002952. Its totient is φ = 974000982.

The previous prime is 1948001959. The next prime is 1948001977. The reversal of 1948001966 is 6691008491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6691008491 = 109 ⋅61385399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487000490 + ... + 487000493.

It is an arithmetic number, because the mean of its divisors is an integer number (730500738).

Almost surely, 2^1948001966 is an apocalyptic number.

1948001966 is a deficient number, since it is larger than the sum of its proper divisors (974000986).

1948001966 is an equidigital number, since it uses as much as digits as its factorization.

1948001966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974000985.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1948001966 is about 44136.1752534132. The cubic root of 1948001966 is about 1248.9061291164.

The spelling of 1948001966 in words is "one billion, nine hundred forty-eight million, one thousand, nine hundred sixty-six".