1616966396 has 12 divisors (see below), whose sum is σ = 2845326120. Its totient is φ = 804016080.

The previous prime is 1616966389. The next prime is 1616966399. The reversal of 1616966396 is 6936696161.

It is a super-2 number, since 2×1616966396² = 5229160651586457632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616966399) 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, 1115966 + ... + 1117413.

It is an arithmetic number, because the mean of its divisors is an integer number (237110510).

Almost surely, 2^1616966396 is an apocalyptic number.

It is an amenable number.

1616966396 is a deficient number, since it is larger than the sum of its proper divisors (1228359724).

1616966396 is a wasteful number, since it uses less digits than its factorization.

1616966396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233564 (or 2233562 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 53.

The square root of 1616966396 is about 40211.5206874846. The cubic root of 1616966396 is about 1173.7267380954.

The spelling of 1616966396 in words is "one billion, six hundred sixteen million, nine hundred sixty-six thousand, three hundred ninety-six".