1616327740 has 12 divisors (see below), whose sum is σ = 3394288296. Its totient is φ = 646531088.

The previous prime is 1616327729. The next prime is 1616327813. The reversal of 1616327740 is 477236161.

It is a super-2 number, since 2×1616327740² = 5225030726187015200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616327740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40408174 + ... + 40408213.

It is an arithmetic number, because the mean of its divisors is an integer number (282857358).

Almost surely, 2^1616327740 is an apocalyptic number.

1616327740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616327740 is an abundant number, since it is smaller than the sum of its proper divisors (1777960556).

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

1616327740 is a wasteful number, since it uses less digits than its factorization.

1616327740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80816396 (or 80816394 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1616327740 is about 40203.5786964295. The cubic root of 1616327740 is about 1173.5721881228.

The spelling of 1616327740 in words is "one billion, six hundred sixteen million, three hundred twenty-seven thousand, seven hundred forty".