196819091010 has 48 divisors (see below), whose sum is σ = 511751522880. Its totient is φ = 52482846240.

The previous prime is 196819090981. The next prime is 196819091113. The reversal of 196819091010 is 10190918691.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 4158861 + ... + 4205919.

It is an arithmetic number, because the mean of its divisors is an integer number (10661490060).

Almost surely, 2^196819091010 is an apocalyptic number.

196819091010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196819091010 is an abundant number, since it is smaller than the sum of its proper divisors (314932431870).

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

196819091010 is a wasteful number, since it uses less digits than its factorization.

196819091010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93543 (or 93540 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 45.

The spelling of 196819091010 in words is "one hundred ninety-six billion, eight hundred nineteen million, ninety-one thousand, ten".