1616856151 has 2 divisors, whose sum is σ = 1616856152. Its totient is φ = 1616856150.

The previous prime is 1616856089. The next prime is 1616856161. The reversal of 1616856151 is 1516586161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616856151 is a prime.

It is a super-2 number, since 2×1616856151² = 5228447626053069602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616856161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808428075 + 808428076.

It is an arithmetic number, because the mean of its divisors is an integer number (808428076).

Almost surely, 2^1616856151 is an apocalyptic number.

1616856151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616856151 is an equidigital number, since it uses as much as digits as its factorization.

1616856151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 40.

The square root of 1616856151 is about 40210.1498505042. The cubic root of 1616856151 is about 1173.7000625369.

The spelling of 1616856151 in words is "one billion, six hundred sixteen million, eight hundred fifty-six thousand, one hundred fifty-one".