195396169090 has 32 divisors (see below), whose sum is σ = 354692520000. Its totient is φ = 77498881728.

The previous prime is 195396169009. The next prime is 195396169121. The reversal of 195396169090 is 90961693591.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468321 + ... + 781099.

It is an arithmetic number, because the mean of its divisors is an integer number (11084141250).

Almost surely, 2^195396169090 is an apocalyptic number.

195396169090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195396169090 is a deficient number, since it is larger than the sum of its proper divisors (159296350910).

195396169090 is a wasteful number, since it uses less digits than its factorization.

195396169090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313314.

The product of its (nonzero) digits is 3542940, while the sum is 58.

The spelling of 195396169090 in words is "one hundred ninety-five billion, three hundred ninety-six million, one hundred sixty-nine thousand, ninety".