2616623158157 has 2 divisors, whose sum is σ = 2616623158158. Its totient is φ = 2616623158156.

The previous prime is 2616623158147. The next prime is 2616623158159. The reversal of 2616623158157 is 7518513266162.

It is a happy number.

2616623158157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2575578829321 + 41044328836 = 1604861^2 + 202594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2616623158157 is a prime.

Together with 2616623158159, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2616623158099 and 2616623158108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2616623158159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308311579078 + 1308311579079.

It is an arithmetic number, because the mean of its divisors is an integer number (1308311579079).

Almost surely, 2^{2616623158157} is an apocalyptic number.

It is an amenable number.

2616623158157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616623158157 is an equidigital number, since it uses as much as digits as its factorization.

2616623158157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The spelling of 2616623158157 in words is "two trillion, six hundred sixteen billion, six hundred twenty-three million, one hundred fifty-eight thousand, one hundred fifty-seven".