1651606067 has 2 divisors, whose sum is σ = 1651606068. Its totient is φ = 1651606066.

The previous prime is 1651606043. The next prime is 1651606081. The reversal of 1651606067 is 7606061561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1651606067 - 2¹² = 1651601971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1651606067.

It is not a weakly prime, because it can be changed into another prime (1651606007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825803033 + 825803034.

It is an arithmetic number, because the mean of its divisors is an integer number (825803034).

Almost surely, 2^1651606067 is an apocalyptic number.

1651606067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651606067 is an equidigital number, since it uses as much as digits as its factorization.

1651606067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1651606067 is about 40639.9565329492. The cubic root of 1651606067 is about 1182.0490270194.

The spelling of 1651606067 in words is "one billion, six hundred fifty-one million, six hundred six thousand, sixty-seven".