1610611216 has 20 divisors (see below), whose sum is σ = 3122022400. Its totient is φ = 804928032.

The previous prime is 1610611199. The next prime is 1610611217. The reversal of 1610611216 is 6121160161.

It is not an unprimeable number, because it can be changed into a prime (1610611217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13345 + ... + 58303.

It is an arithmetic number, because the mean of its divisors is an integer number (156101120).

Almost surely, 2^1610611216 is an apocalyptic number.

1610611216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1610611216 is a deficient number, since it is larger than the sum of its proper divisors (1511411184).

1610611216 is a wasteful number, since it uses less digits than its factorization.

1610611216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47206 (or 47200 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1610611216 is about 40132.4210084565. The cubic root of 1610611216 is about 1172.1870156277.

Adding to 1610611216 its reverse (6121160161), we get a palindrome (7731771377).

The spelling of 1610611216 in words is "one billion, six hundred ten million, six hundred eleven thousand, two hundred sixteen".