199734246169 has 8 divisors (see below), whose sum is σ = 207085563648. Its totient is φ = 192439696080.

The previous prime is 199734246137. The next prime is 199734246181. The reversal of 199734246169 is 961642437991.

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

It is a cyclic number.

It is not a de Polignac number, because 199734246169 - 2⁵ = 199734246137 is a prime.

It is a super-2 number, since 2×199734246169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199734246109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14184682 + ... + 14198755.

It is an arithmetic number, because the mean of its divisors is an integer number (25885695456).

Almost surely, 2^199734246169 is an apocalyptic number.

It is an amenable number.

199734246169 is a deficient number, since it is larger than the sum of its proper divisors (7351317479).

199734246169 is a wasteful number, since it uses less digits than its factorization.

199734246169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28383695.

The product of its digits is 17635968, while the sum is 61.

The spelling of 199734246169 in words is "one hundred ninety-nine billion, seven hundred thirty-four million, two hundred forty-six thousand, one hundred sixty-nine".