616132210157 has 2 divisors, whose sum is σ = 616132210158. Its totient is φ = 616132210156.

The previous prime is 616132210147. The next prime is 616132210217. The reversal of 616132210157 is 751012231616.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417898895401 + 198233314756 = 646451^2 + 445234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616132210157 is a prime.

It is a super-2 number, since 2×616132210157² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616132210117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308066105078 + 308066105079.

It is an arithmetic number, because the mean of its divisors is an integer number (308066105079).

Almost surely, 2^616132210157 is an apocalyptic number.

It is an amenable number.

616132210157 is a deficient number, since it is larger than the sum of its proper divisors (1).

616132210157 is an equidigital number, since it uses as much as digits as its factorization.

616132210157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 616132210157 in words is "six hundred sixteen billion, one hundred thirty-two million, two hundred ten thousand, one hundred fifty-seven".