199969146260 has 48 divisors (see below), whose sum is σ = 457319293200. Its totient is φ = 73005149184.

The previous prime is 199969146239. The next prime is 199969146281. The reversal of 199969146260 is 62641969991.

It is an interprime number because it is at equal distance from previous prime (199969146239) and next prime (199969146281).

It can be written as a sum of positive squares in 8 ways, for example, as 60729716356 + 139239429904 = 246434^2 + 373148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 199969146193 and 199969146202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4297715 + ... + 4343994.

It is an arithmetic number, because the mean of its divisors is an integer number (9527485275).

Almost surely, 2^199969146260 is an apocalyptic number.

199969146260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199969146260 is an abundant number, since it is smaller than the sum of its proper divisors (257350146940).

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

199969146260 is a wasteful number, since it uses less digits than its factorization.

199969146260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641820 (or 8641818 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 62.

The spelling of 199969146260 in words is "one hundred ninety-nine billion, nine hundred sixty-nine million, one hundred forty-six thousand, two hundred sixty".