1961167367 has 2 divisors, whose sum is σ = 1961167368. Its totient is φ = 1961167366.

The previous prime is 1961167363. The next prime is 1961167469. The reversal of 1961167367 is 7637611691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1961167367 - 2² = 1961167363 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1961167363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980583683 + 980583684.

It is an arithmetic number, because the mean of its divisors is an integer number (980583684).

Almost surely, 2^1961167367 is an apocalyptic number.

1961167367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1961167367 is an equidigital number, since it uses as much as digits as its factorization.

1961167367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 1961167367 is about 44285.0693462255. The cubic root of 1961167367 is about 1251.7133554176.

The spelling of 1961167367 in words is "one billion, nine hundred sixty-one million, one hundred sixty-seven thousand, three hundred sixty-seven".