157160878549 has 2 divisors, whose sum is σ = 157160878550. Its totient is φ = 157160878548.

The previous prime is 157160878411. The next prime is 157160878573. The reversal of 157160878549 is 945878061751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107200582225 + 49960296324 = 327415^2 + 223518^2 .

It is a cyclic number.

It is not a de Polignac number, because 157160878549 - 2¹³ = 157160870357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157160878649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78580439274 + 78580439275.

It is an arithmetic number, because the mean of its divisors is an integer number (78580439275).

Almost surely, 2^157160878549 is an apocalyptic number.

It is an amenable number.

157160878549 is a deficient number, since it is larger than the sum of its proper divisors (1).

157160878549 is an equidigital number, since it uses as much as digits as its factorization.

157160878549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 61.

The spelling of 157160878549 in words is "one hundred fifty-seven billion, one hundred sixty million, eight hundred seventy-eight thousand, five hundred forty-nine".