162603761513 has 4 divisors (see below), whose sum is σ = 163182422868. Its totient is φ = 162025100160.

The previous prime is 162603761479. The next prime is 162603761521. The reversal of 162603761513 is 315167306261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315167306261 = 204979 ⋅1537559.

It can be written as a sum of positive squares in 2 ways, for example, as 121558217104 + 41045544409 = 348652^2 + 202597^2 .

It is a cyclic number.

It is not a de Polignac number, because 162603761513 - 2⁶ = 162603761449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162603761543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289330256 + ... + 289330817.

It is an arithmetic number, because the mean of its divisors is an integer number (40795605717).

Almost surely, 2^162603761513 is an apocalyptic number.

It is an amenable number.

162603761513 is a deficient number, since it is larger than the sum of its proper divisors (578661355).

162603761513 is an equidigital number, since it uses as much as digits as its factorization.

162603761513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578661354.

The product of its (nonzero) digits is 136080, while the sum is 41.

It can be divided in two parts, 16260 and 3761513, that added together give a palindrome (3777773).

The spelling of 162603761513 in words is "one hundred sixty-two billion, six hundred three million, seven hundred sixty-one thousand, five hundred thirteen".