1616653363 has 8 divisors (see below), whose sum is σ = 1741326048. Its totient is φ = 1492025664.

The previous prime is 1616653351. The next prime is 1616653391. The reversal of 1616653363 is 3633566161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616653363 is a prime.

It is a super-2 number, since 2×1616653363² = 5227136192198419538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616653303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121506 + ... + 134152.

It is an arithmetic number, because the mean of its divisors is an integer number (217665756).

Almost surely, 2^1616653363 is an apocalyptic number.

1616653363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1616653363 is a deficient number, since it is larger than the sum of its proper divisors (124672685).

1616653363 is a wasteful number, since it uses less digits than its factorization.

1616653363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22493.

The product of its digits is 174960, while the sum is 40.

The square root of 1616653363 is about 40207.6281692915. The cubic root of 1616653363 is about 1173.6509915379.

The spelling of 1616653363 in words is "one billion, six hundred sixteen million, six hundred fifty-three thousand, three hundred sixty-three".