1610963641 has 8 divisors (see below), whose sum is σ = 1878675200. Its totient is φ = 1380825684.

The previous prime is 1610963623. The next prime is 1610963687. The reversal of 1610963641 is 1463690161.

It is not a de Polignac number, because 1610963641 - 2¹³ = 1610955449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1610963641.

It is not an unprimeable number, because it can be changed into a prime (1610963141) 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 in 7 ways as a sum of consecutive naturals, for example, 2348001 + ... + 2348686.

It is an arithmetic number, because the mean of its divisors is an integer number (234834400).

Almost surely, 2^1610963641 is an apocalyptic number.

It is an amenable number.

1610963641 is a deficient number, since it is larger than the sum of its proper divisors (267711559).

1610963641 is an frugal number, since it uses more digits than its factorization.

1610963641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696708 (or 4696694 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1610963641 is about 40136.8115450144. The cubic root of 1610963641 is about 1172.2725065430.

The spelling of 1610963641 in words is "one billion, six hundred ten million, nine hundred sixty-three thousand, six hundred forty-one".