196620915455 has 8 divisors (see below), whose sum is σ = 237392615472. Its totient is φ = 156331721088.

The previous prime is 196620915433. The next prime is 196620915493. The reversal of 196620915455 is 554519026691.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 196620915455 - 2¹⁴ = 196620899071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196620915397 and 196620915406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120625514 + ... + 120627143.

It is an arithmetic number, because the mean of its divisors is an integer number (29674076934).

Almost surely, 2^196620915455 is an apocalyptic number.

196620915455 is a deficient number, since it is larger than the sum of its proper divisors (40771700017).

196620915455 is a wasteful number, since it uses less digits than its factorization.

196620915455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241252825.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 196620915455 in words is "one hundred ninety-six billion, six hundred twenty million, nine hundred fifteen thousand, four hundred fifty-five".