162535133082538 has 4 divisors (see below), whose sum is σ = 243802699623810. Its totient is φ = 81267566541268.

The previous prime is 162535133082533. The next prime is 162535133082589. The reversal of 162535133082538 is 835280331535261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 107241081698529 + 55294051384009 = 10355727^2 + 7435997^2 .

It is not an unprimeable number, because it can be changed into a prime (162535133082533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40633783270633 + ... + 40633783270636.

Almost surely, 2^{162535133082538} is an apocalyptic number.

162535133082538 is a deficient number, since it is larger than the sum of its proper divisors (81267566541272).

162535133082538 is an equidigital number, since it uses as much as digits as its factorization.

162535133082538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81267566541271.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 162535133082538 in words is "one hundred sixty-two trillion, five hundred thirty-five billion, one hundred thirty-three million, eighty-two thousand, five hundred thirty-eight".