199699970562576 has 135 divisors (see below), whose sum is σ = 614314663946893. Its totient is φ = 60514577333760.

The previous prime is 199699970562559. The next prime is 199699970562583. The reversal of 199699970562576 is 675265079996991.

The square root of 199699970562576 is 14131524.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 105396915690000 + 94303054872576 = 10266300^2 + 9710976^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1865307640 + ... + 1865414696.

Almost surely, 2^{199699970562576} is an apocalyptic number.

199699970562576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

199699970562576 is the 14131524-th square number.

It is an amenable number.

199699970562576 is an abundant number, since it is smaller than the sum of its proper divisors (414614693384317).

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

199699970562576 is an frugal number, since it uses more digits than its factorization.

199699970562576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214150 (or 107073 counting only the distinct ones).

The product of its (nonzero) digits is 31248730800, while the sum is 90.

The spelling of 199699970562576 in words is "one hundred ninety-nine trillion, six hundred ninety-nine billion, nine hundred seventy million, five hundred sixty-two thousand, five hundred seventy-six".