70616502157 has 2 divisors, whose sum is σ = 70616502158. Its totient is φ = 70616502156.

The previous prime is 70616502137. The next prime is 70616502193. The reversal of 70616502157 is 75120561607.

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., 64981147396 + 5635354761 = 254914^2 + 75069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70616502157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70616502137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35308251078 + 35308251079.

It is an arithmetic number, because the mean of its divisors is an integer number (35308251079).

Almost surely, 2^70616502157 is an apocalyptic number.

It is an amenable number.

70616502157 is a deficient number, since it is larger than the sum of its proper divisors (1).

70616502157 is an equidigital number, since it uses as much as digits as its factorization.

70616502157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 70616502157 in words is "seventy billion, six hundred sixteen million, five hundred two thousand, one hundred fifty-seven".