1610216523 has 32 divisors (see below), whose sum is σ = 2539192320. Its totient is φ = 1004987520.

The previous prime is 1610216471. The next prime is 1610216567. The reversal of 1610216523 is 3256120161.

1610216523 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 2 + 1 + 652 + 3 = 666.

It is not a de Polignac number, because 1610216523 - 2¹⁶ = 1610150987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1610216593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78486 + ... + 96852.

It is an arithmetic number, because the mean of its divisors is an integer number (79349760).

Almost surely, 2^1610216523 is an apocalyptic number.

1610216523 is a deficient number, since it is larger than the sum of its proper divisors (928975797).

1610216523 is a wasteful number, since it uses less digits than its factorization.

1610216523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18584 (or 18578 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1610216523 is about 40127.5033237803. The cubic root of 1610216523 is about 1172.0912565762.

Adding to 1610216523 its reverse (3256120161), we get a palindrome (4866336684).

The spelling of 1610216523 in words is "one billion, six hundred ten million, two hundred sixteen thousand, five hundred twenty-three".