157670007161 has 2 divisors, whose sum is σ = 157670007162. Its totient is φ = 157670007160.

The previous prime is 157670007137. The next prime is 157670007167. The reversal of 157670007161 is 161700076751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150190351936 + 7479655225 = 387544^2 + 86485^2 .

It is a cyclic number.

It is not a de Polignac number, because 157670007161 - 2⁶ = 157670007097 is a prime.

It is not a weakly prime, because it can be changed into another prime (157670007167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78835003580 + 78835003581.

It is an arithmetic number, because the mean of its divisors is an integer number (78835003581).

Almost surely, 2^157670007161 is an apocalyptic number.

It is an amenable number.

157670007161 is a deficient number, since it is larger than the sum of its proper divisors (1).

157670007161 is an equidigital number, since it uses as much as digits as its factorization.

157670007161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 41.

The spelling of 157670007161 in words is "one hundred fifty-seven billion, six hundred seventy million, seven thousand, one hundred sixty-one".