106728486157 has 2 divisors, whose sum is σ = 106728486158. Its totient is φ = 106728486156.

The previous prime is 106728486143. The next prime is 106728486173. The reversal of 106728486157 is 751684827601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63877002121 + 42851484036 = 252739^2 + 207006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106728486157 is a prime.

It is a super-2 number, since 2×106728486157² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106728486098 and 106728486107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106728483157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53364243078 + 53364243079.

It is an arithmetic number, because the mean of its divisors is an integer number (53364243079).

Almost surely, 2^106728486157 is an apocalyptic number.

It is an amenable number.

106728486157 is a deficient number, since it is larger than the sum of its proper divisors (1).

106728486157 is an equidigital number, since it uses as much as digits as its factorization.

106728486157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 106728486157 in words is "one hundred six billion, seven hundred twenty-eight million, four hundred eighty-six thousand, one hundred fifty-seven".