199906954562 has 8 divisors (see below), whose sum is σ = 342697636416. Its totient is φ = 85674409092.

The previous prime is 199906954561. The next prime is 199906954589. The reversal of 199906954562 is 265459609991.

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

It is a super-2 number, since 2×199906954562² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199906954561) 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, 7139534078 + ... + 7139534105.

It is an arithmetic number, because the mean of its divisors is an integer number (42837204552).

Almost surely, 2^199906954562 is an apocalyptic number.

199906954562 is a deficient number, since it is larger than the sum of its proper divisors (142790681854).

199906954562 is a wasteful number, since it uses less digits than its factorization.

199906954562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14279068192.

The product of its (nonzero) digits is 47239200, while the sum is 65.

The spelling of 199906954562 in words is "one hundred ninety-nine billion, nine hundred six million, nine hundred fifty-four thousand, five hundred sixty-two".