1610264563 has 2 divisors, whose sum is σ = 1610264564. Its totient is φ = 1610264562.

The previous prime is 1610264549. The next prime is 1610264681. The reversal of 1610264563 is 3654620161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1610264563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1610264263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805132281 + 805132282.

It is an arithmetic number, because the mean of its divisors is an integer number (805132282).

Almost surely, 2^1610264563 is an apocalyptic number.

1610264563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610264563 is an equidigital number, since it uses as much as digits as its factorization.

1610264563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1610264563 is about 40128.1019112542. The cubic root of 1610264563 is about 1172.1029127113.

The spelling of 1610264563 in words is "one billion, six hundred ten million, two hundred sixty-four thousand, five hundred sixty-three".