19797160201 has 32 divisors (see below), whose sum is σ = 25527369728. Its totient is φ = 14932019520.

The previous prime is 19797160199. The next prime is 19797160237. The reversal of 19797160201 is 10206179791.

It is a cyclic number.

It is not a de Polignac number, because 19797160201 - 2¹ = 19797160199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19797160241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136636 + ... + 241378.

It is an arithmetic number, because the mean of its divisors is an integer number (797730304).

Almost surely, 2^19797160201 is an apocalyptic number.

It is an amenable number.

19797160201 is a deficient number, since it is larger than the sum of its proper divisors (5730209527).

19797160201 is a wasteful number, since it uses less digits than its factorization.

19797160201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104861.

The product of its (nonzero) digits is 47628, while the sum is 43.

The spelling of 19797160201 in words is "nineteen billion, seven hundred ninety-seven million, one hundred sixty thousand, two hundred one".