194788346090 has 64 divisors (see below), whose sum is σ = 380290982400. Its totient is φ = 71408874240.

The previous prime is 194788346083. The next prime is 194788346101. The reversal of 194788346090 is 90643887491.

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, 12590960 + ... + 12606420.

It is an arithmetic number, because the mean of its divisors is an integer number (5942046600).

Almost surely, 2^194788346090 is an apocalyptic number.

194788346090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194788346090 is a deficient number, since it is larger than the sum of its proper divisors (185502636310).

194788346090 is a wasteful number, since it uses less digits than its factorization.

194788346090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16167.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 194788346090 in words is "one hundred ninety-four billion, seven hundred eighty-eight million, three hundred forty-six thousand, ninety".