1616133804 has 24 divisors (see below), whose sum is σ = 3872898288. Its totient is φ = 524151360.

The previous prime is 1616133803. The next prime is 1616133811. The reversal of 1616133804 is 4083316161.

It is a super-2 number, since 2×1616133804² = 5223776944863020832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616133803) 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, 1819527 + ... + 1820414.

It is an arithmetic number, because the mean of its divisors is an integer number (161370762).

Almost surely, 2^1616133804 is an apocalyptic number.

It is an amenable number.

1616133804 is an abundant number, since it is smaller than the sum of its proper divisors (2256764484).

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

1616133804 is a wasteful number, since it uses less digits than its factorization.

1616133804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639985 (or 3639983 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1616133804 is about 40201.1666994877. The cubic root of 1616133804 is about 1173.5252490040.

Adding to 1616133804 its reverse (4083316161), we get a palindrome (5699449965).

The spelling of 1616133804 in words is "one billion, six hundred sixteen million, one hundred thirty-three thousand, eight hundred four".