1616900357 has 2 divisors, whose sum is σ = 1616900358. Its totient is φ = 1616900356.

The previous prime is 1616900317. The next prime is 1616900359. The reversal of 1616900357 is 7530096161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1425742081 + 191158276 = 37759^2 + 13826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1616900357 - 2⁶ = 1616900293 is a prime.

It is a super-2 number, since 2×1616900357² = 5228733528933454898, which contains 22 as substring.

Together with 1616900359, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1616900357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616900359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808450178 + 808450179.

It is an arithmetic number, because the mean of its divisors is an integer number (808450179).

Almost surely, 2^1616900357 is an apocalyptic number.

It is an amenable number.

1616900357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616900357 is an equidigital number, since it uses as much as digits as its factorization.

1616900357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1616900357 is about 40210.6995338305. The cubic root of 1616900357 is about 1173.7107590382.

The spelling of 1616900357 in words is "one billion, six hundred sixteen million, nine hundred thousand, three hundred fifty-seven".