1930870016 has 18 divisors (see below), whose sum is σ = 3854198082. Its totient is φ = 965434880.

The previous prime is 1930870009. The next prime is 1930870057. The reversal of 1930870016 is 6100780391.

It can be written as a sum of positive squares in only one way, i.e., 1909340416 + 21529600 = 43696^2 + 4640^2 .

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, 3770975 + ... + 3771486.

Almost surely, 2^1930870016 is an apocalyptic number.

1930870016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1930870016 is a deficient number, since it is larger than the sum of its proper divisors (1923328066).

1930870016 is an frugal number, since it uses more digits than its factorization.

1930870016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7542477 (or 7542463 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1930870016 is about 43941.6660585372. Note that the first 3 decimals coincide. The cubic root of 1930870016 is about 1245.2341223012.

The spelling of 1930870016 in words is "one billion, nine hundred thirty million, eight hundred seventy thousand, sixteen".