1167506551 has 2 divisors, whose sum is σ = 1167506552. Its totient is φ = 1167506550.

The previous prime is 1167506449. The next prime is 1167506567. The reversal of 1167506551 is 1556057611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1167506551 - 2¹⁷ = 1167375479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1167506551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167506581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583753275 + 583753276.

It is an arithmetic number, because the mean of its divisors is an integer number (583753276).

Almost surely, 2^1167506551 is an apocalyptic number.

1167506551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167506551 is an equidigital number, since it uses as much as digits as its factorization.

1167506551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 1167506551 is about 34168.7949889954. The cubic root of 1167506551 is about 1052.9791586071.

The spelling of 1167506551 in words is "one billion, one hundred sixty-seven million, five hundred six thousand, five hundred fifty-one".