1966079998 has 8 divisors (see below), whose sum is σ = 3050813880. Its totient is φ = 949142040.

The previous prime is 1966079993. The next prime is 1966080007. The reversal of 1966079998 is 8999706691.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966079993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16948908 + ... + 16949023.

It is an arithmetic number, because the mean of its divisors is an integer number (381351735).

Almost surely, 2^1966079998 is an apocalyptic number.

1966079998 is a deficient number, since it is larger than the sum of its proper divisors (1084733882).

1966079998 is a wasteful number, since it uses less digits than its factorization.

1966079998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33897962.

The product of its (nonzero) digits is 13226976, while the sum is 64.

The square root of 1966079998 is about 44340.5006512105. The cubic root of 1966079998 is about 1252.7576447492.

The spelling of 1966079998 in words is "one billion, nine hundred sixty-six million, seventy-nine thousand, nine hundred ninety-eight".