1616296651 has 2 divisors, whose sum is σ = 1616296652. Its totient is φ = 1616296650.

The previous prime is 1616296609. The next prime is 1616296657. The reversal of 1616296651 is 1566926161.

It is a strong prime.

It is an emirp because it is prime and its reverse (1566926161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616296651 is a prime.

It is a super-2 number, since 2×1616296651² = 5224829728067631602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616296598 and 1616296607.

It is not a weakly prime, because it can be changed into another prime (1616296657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808148325 + 808148326.

It is an arithmetic number, because the mean of its divisors is an integer number (808148326).

Almost surely, 2^1616296651 is an apocalyptic number.

1616296651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616296651 is an equidigital number, since it uses as much as digits as its factorization.

1616296651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 1616296651 is about 40203.1920498858. The cubic root of 1616296651 is about 1173.5646637784.

The spelling of 1616296651 in words is "one billion, six hundred sixteen million, two hundred ninety-six thousand, six hundred fifty-one".