1610898497 has 8 divisors (see below), whose sum is σ = 1752699816. Its totient is φ = 1471652352.

The previous prime is 1610898491. The next prime is 1610898503. The reversal of 1610898497 is 7948980161.

It is a Cunningham number, because it is equal to 40136²+1.

It is an interprime number because it is at equal distance from previous prime (1610898491) and next prime (1610898503).

It can be written as a sum of positive squares in 4 ways, for example, as 238270096 + 1372628401 = 15436^2 + 37049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1610898497 - 2¹⁴ = 1610882113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1610898491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637478 + ... + 639999.

It is an arithmetic number, because the mean of its divisors is an integer number (219087477).

Almost surely, 2^1610898497 is an apocalyptic number.

It is an amenable number.

1610898497 is a deficient number, since it is larger than the sum of its proper divisors (141801319).

1610898497 is a wasteful number, since it uses less digits than its factorization.

1610898497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277587.

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 1610898497 is about 40136.0000124576. Note that the first 4 decimals coincide. The cubic root of 1610898497 is about 1172.2567049140.

The spelling of 1610898497 in words is "one billion, six hundred ten million, eight hundred ninety-eight thousand, four hundred ninety-seven".