162628901 has 2 divisors, whose sum is σ = 162628902. Its totient is φ = 162628900.

The previous prime is 162628891. The next prime is 162628913. The reversal of 162628901 is 109826261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142826401 + 19802500 = 11951^2 + 4450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162628901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162628931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81314450 + 81314451.

It is an arithmetic number, because the mean of its divisors is an integer number (81314451).

Almost surely, 2^162628901 is an apocalyptic number.

It is an amenable number.

162628901 is a deficient number, since it is larger than the sum of its proper divisors (1).

162628901 is an equidigital number, since it uses as much as digits as its factorization.

162628901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 162628901 is about 12752.6036949323. The cubic root of 162628901 is about 545.8406922510.

The spelling of 162628901 in words is "one hundred sixty-two million, six hundred twenty-eight thousand, nine hundred one".