1651061567 has 2 divisors, whose sum is σ = 1651061568. Its totient is φ = 1651061566.

The previous prime is 1651061551. The next prime is 1651061579. The reversal of 1651061567 is 7651601561.

It is a strong prime.

It is an emirp because it is prime and its reverse (7651601561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1651061567 - 2⁴ = 1651061551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1651061567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1651061597) 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 as a sum of consecutive naturals, namely, 825530783 + 825530784.

It is an arithmetic number, because the mean of its divisors is an integer number (825530784).

Almost surely, 2^1651061567 is an apocalyptic number.

1651061567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651061567 is an equidigital number, since it uses as much as digits as its factorization.

1651061567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 1651061567 is about 40633.2569085964. The cubic root of 1651061567 is about 1181.9191137891.

The spelling of 1651061567 in words is "one billion, six hundred fifty-one million, sixty-one thousand, five hundred sixty-seven".