196626785722 has 8 divisors (see below), whose sum is σ = 295005028500. Its totient is φ = 98291776224.

The previous prime is 196626785683. The next prime is 196626785723. The reversal of 196626785722 is 227587626691.

It can be written as a sum of positive squares in 2 ways, for example, as 172400174521 + 24226611201 = 415211^2 + 155649^2 .

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

It is a super-2 number, since 2×196626785722² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196626785723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10796947 + ... + 10815142.

Almost surely, 2^196626785722 is an apocalyptic number.

196626785722 is a deficient number, since it is larger than the sum of its proper divisors (98378242778).

196626785722 is a wasteful number, since it uses less digits than its factorization.

196626785722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21616640.

The product of its digits is 30481920, while the sum is 61.

The spelling of 196626785722 in words is "one hundred ninety-six billion, six hundred twenty-six million, seven hundred eighty-five thousand, seven hundred twenty-two".