194169915130 has 32 divisors (see below), whose sum is σ = 357459298560. Its totient is φ = 75905321280.

The previous prime is 194169915109. The next prime is 194169915131. The reversal of 194169915130 is 31519961491.

It is not an unprimeable number, because it can be changed into a prime (194169915131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25836 + ... + 623704.

It is an arithmetic number, because the mean of its divisors is an integer number (11170603080).

Almost surely, 2^194169915130 is an apocalyptic number.

194169915130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194169915130 is a deficient number, since it is larger than the sum of its proper divisors (163289383430).

194169915130 is a wasteful number, since it uses less digits than its factorization.

194169915130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598614.

The product of its (nonzero) digits is 262440, while the sum is 49.

The spelling of 194169915130 in words is "one hundred ninety-four billion, one hundred sixty-nine million, nine hundred fifteen thousand, one hundred thirty".