1163051657 has 2 divisors, whose sum is σ = 1163051658. Its totient is φ = 1163051656.

The previous prime is 1163051647. The next prime is 1163051671. The reversal of 1163051657 is 7561503611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837465721 + 325585936 = 28939^2 + 18044^2 .

It is an emirp because it is prime and its reverse (7561503611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1163051657 - 2¹⁸ = 1162789513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1163051647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581525828 + 581525829.

It is an arithmetic number, because the mean of its divisors is an integer number (581525829).

Almost surely, 2^1163051657 is an apocalyptic number.

It is an amenable number.

1163051657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163051657 is an equidigital number, since it uses as much as digits as its factorization.

1163051657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 1163051657 is about 34103.5431736938. The cubic root of 1163051657 is about 1051.6381555284.

The spelling of 1163051657 in words is "one billion, one hundred sixty-three million, fifty-one thousand, six hundred fifty-seven".