162990601 has 2 divisors, whose sum is σ = 162990602. Its totient is φ = 162990600.

The previous prime is 162990589. The next prime is 162990617. The reversal of 162990601 is 106099261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92833225 + 70157376 = 9635^2 + 8376^2 .

It is a cyclic number.

It is not a de Polignac number, because 162990601 - 2⁹ = 162990089 is a prime.

It is not a weakly prime, because it can be changed into another prime (162990671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81495300 + 81495301.

It is an arithmetic number, because the mean of its divisors is an integer number (81495301).

Almost surely, 2^162990601 is an apocalyptic number.

It is an amenable number.

162990601 is a deficient number, since it is larger than the sum of its proper divisors (1).

162990601 is an equidigital number, since it uses as much as digits as its factorization.

162990601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 162990601 is about 12766.7772362488. Note that the first 3 decimals coincide. The cubic root of 162990601 is about 546.2450574253.

The spelling of 162990601 in words is "one hundred sixty-two million, nine hundred ninety thousand, six hundred one".