1195663164251 has 16 divisors (see below), whose sum is σ = 1216740028416. Its totient is φ = 1174783500000.

The previous prime is 1195663164233. The next prime is 1195663164281. The reversal of 1195663164251 is 1524613665911.

It is a cyclic number.

It is not a de Polignac number, because 1195663164251 - 2⁶ = 1195663164187 is a prime.

It is a super-2 number, since 2×1195663164251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1195663164251.

It is not an unprimeable number, because it can be changed into a prime (1195663164211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15074186 + ... + 15153296.

It is an arithmetic number, because the mean of its divisors is an integer number (76046251776).

Almost surely, 2^{1195663164251} is an apocalyptic number.

1195663164251 is a deficient number, since it is larger than the sum of its proper divisors (21076864165).

1195663164251 is a wasteful number, since it uses less digits than its factorization.

1195663164251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80354.

The product of its digits is 1166400, while the sum is 50.

The spelling of 1195663164251 in words is "one trillion, one hundred ninety-five billion, six hundred sixty-three million, one hundred sixty-four thousand, two hundred fifty-one".