7966361603 has 2 divisors, whose sum is σ = 7966361604. Its totient is φ = 7966361602.

The previous prime is 7966361587. The next prime is 7966361621. The reversal of 7966361603 is 3061636697.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7966361603 - 2⁴ = 7966361587 is a prime.

It is not a weakly prime, because it can be changed into another prime (7966361693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3983180801 + 3983180802.

It is an arithmetic number, because the mean of its divisors is an integer number (3983180802).

Almost surely, 2^7966361603 is an apocalyptic number.

7966361603 is a deficient number, since it is larger than the sum of its proper divisors (1).

7966361603 is an equidigital number, since it uses as much as digits as its factorization.

7966361603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 47.

The square root of 7966361603 is about 89254.4766552356. The cubic root of 7966361603 is about 1997.1928620817.

The spelling of 7966361603 in words is "seven billion, nine hundred sixty-six million, three hundred sixty-one thousand, six hundred three".