1610601616 has 40 divisors (see below), whose sum is σ = 3365520704. Its totient is φ = 742262400.

The previous prime is 1610601589. The next prime is 1610601689. The reversal of 1610601616 is 6161060161.

It is a super-2 number, since 2×1610601616² = 5188075130923622912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145891 + ... + 156541.

Almost surely, 2^1610601616 is an apocalyptic number.

1610601616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1610601616 is an abundant number, since it is smaller than the sum of its proper divisors (1754919088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1610601616 is a wasteful number, since it uses less digits than its factorization.

1610601616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11399 (or 11393 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1610601616 is about 40132.3014042305. The cubic root of 1610601616 is about 1172.1846866945.

Adding to 1610601616 its reverse (6161060161), we get a palindrome (7771661777).

The spelling of 1610601616 in words is "one billion, six hundred ten million, six hundred one thousand, six hundred sixteen".