194311161100 has 108 divisors (see below), whose sum is σ = 519349868856. Its totient is φ = 62702062080.

The previous prime is 194311161067. The next prime is 194311161103. The reversal of 194311161100 is 1161113491.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (194311161103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1083034 + ... + 1249633.

It is an arithmetic number, because the mean of its divisors is an integer number (4808795082).

Almost surely, 2^194311161100 is an apocalyptic number.

194311161100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194311161100 is an abundant number, since it is smaller than the sum of its proper divisors (325038707756).

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

194311161100 is a wasteful number, since it uses less digits than its factorization.

194311161100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332712 (or 2332698 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

Adding to 194311161100 its reverse (1161113491), we get a palindrome (195472274591).

The spelling of 194311161100 in words is "one hundred ninety-four billion, three hundred eleven million, one hundred sixty-one thousand, one hundred".