194668993098 has 48 divisors (see below), whose sum is σ = 433527494400. Its totient is φ = 63096328512.

The previous prime is 194668993087. The next prime is 194668993117. The reversal of 194668993098 is 890399866491.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391323 + ... + 736526.

It is an arithmetic number, because the mean of its divisors is an integer number (9031822800).

Almost surely, 2^194668993098 is an apocalyptic number.

194668993098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

194668993098 is an abundant number, since it is smaller than the sum of its proper divisors (238858501302).

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

194668993098 is a wasteful number, since it uses less digits than its factorization.

194668993098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128123 (or 1128120 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 72.

The spelling of 194668993098 in words is "one hundred ninety-four billion, six hundred sixty-eight million, nine hundred ninety-three thousand, ninety-eight".