194997369160 has 128 divisors (see below), whose sum is σ = 507731898240. Its totient is φ = 66612326400.

The previous prime is 194997369107. The next prime is 194997369271. The reversal of 194997369160 is 61963799491.

It is a junction number, because it is equal to n+sod(n) for n = 194997369092 and 194997369101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4022587 + ... + 4070773.

It is an arithmetic number, because the mean of its divisors is an integer number (3966655455).

Almost surely, 2^194997369160 is an apocalyptic number.

194997369160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194997369160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253865949120).

194997369160 is an abundant number, since it is smaller than the sum of its proper divisors (312734529080).

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

194997369160 is a wasteful number, since it uses less digits than its factorization.

194997369160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48767 (or 48763 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 64.

The spelling of 194997369160 in words is "one hundred ninety-four billion, nine hundred ninety-seven million, three hundred sixty-nine thousand, one hundred sixty".