162077698309 has 2 divisors, whose sum is σ = 162077698310. Its totient is φ = 162077698308.

The previous prime is 162077698297. The next prime is 162077698351. The reversal of 162077698309 is 903896770261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156475624900 + 5602073409 = 395570^2 + 74847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162077698309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162077698399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81038849154 + 81038849155.

It is an arithmetic number, because the mean of its divisors is an integer number (81038849155).

Almost surely, 2^162077698309 is an apocalyptic number.

It is an amenable number.

162077698309 is a deficient number, since it is larger than the sum of its proper divisors (1).

162077698309 is an equidigital number, since it uses as much as digits as its factorization.

162077698309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 162077698309 in words is "one hundred sixty-two billion, seventy-seven million, six hundred ninety-eight thousand, three hundred nine".