196161555151 has 2 divisors, whose sum is σ = 196161555152. Its totient is φ = 196161555150.

The previous prime is 196161555127. The next prime is 196161555157. The reversal of 196161555151 is 151555161691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196161555151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196161555157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98080777575 + 98080777576.

It is an arithmetic number, because the mean of its divisors is an integer number (98080777576).

Almost surely, 2^196161555151 is an apocalyptic number.

196161555151 is a deficient number, since it is larger than the sum of its proper divisors (1).

196161555151 is an equidigital number, since it uses as much as digits as its factorization.

196161555151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 202500, while the sum is 46.

The spelling of 196161555151 in words is "one hundred ninety-six billion, one hundred sixty-one million, five hundred fifty-five thousand, one hundred fifty-one".