162896639 has 4 divisors (see below), whose sum is σ = 163036920. Its totient is φ = 162756360.

The previous prime is 162896621. The next prime is 162896641. The reversal of 162896639 is 936698261.

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

It is a cyclic number.

It is not a de Polignac number, because 162896639 - 2¹⁶ = 162831103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162896939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68384 + ... + 70725.

It is an arithmetic number, because the mean of its divisors is an integer number (40759230).

Almost surely, 2^162896639 is an apocalyptic number.

162896639 is a deficient number, since it is larger than the sum of its proper divisors (140281).

162896639 is a wasteful number, since it uses less digits than its factorization.

162896639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140280.

The product of its digits is 839808, while the sum is 50.

The square root of 162896639 is about 12763.0967637169. The cubic root of 162896639 is about 546.1400694814.

The spelling of 162896639 in words is "one hundred sixty-two million, eight hundred ninety-six thousand, six hundred thirty-nine".