196247781026 has 8 divisors (see below), whose sum is σ = 321132732624. Its totient is φ = 89203536820.

The previous prime is 196247781019. The next prime is 196247781047. The reversal of 196247781026 is 620187742691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×196247781026² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4460176820 + ... + 4460176863.

It is an arithmetic number, because the mean of its divisors is an integer number (40141591578).

Almost surely, 2^196247781026 is an apocalyptic number.

196247781026 is a deficient number, since it is larger than the sum of its proper divisors (124884951598).

196247781026 is a wasteful number, since it uses less digits than its factorization.

196247781026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920353696.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 196247781026 in words is "one hundred ninety-six billion, two hundred forty-seven million, seven hundred eighty-one thousand, twenty-six".