1610224645 has 12 divisors (see below), whose sum is σ = 1985912964. Its totient is φ = 1253358720.

The previous prime is 1610224639. The next prime is 1610224663. The reversal of 1610224645 is 5464220161.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 778075236 + 832149409 = 27894^2 + 28847^2 .

It is not a de Polignac number, because 1610224645 - 2¹¹ = 1610222597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110776 + ... + 124465.

It is an arithmetic number, because the mean of its divisors is an integer number (165492747).

Almost surely, 2^1610224645 is an apocalyptic number.

It is an amenable number.

1610224645 is a deficient number, since it is larger than the sum of its proper divisors (375688319).

1610224645 is an equidigital number, since it uses as much as digits as its factorization.

1610224645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235320 (or 235283 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1610224645 is about 40127.6045260616. The cubic root of 1610224645 is about 1172.0932272654.

The spelling of 1610224645 in words is "one billion, six hundred ten million, two hundred twenty-four thousand, six hundred forty-five".