162859047 has 12 divisors (see below), whose sum is σ = 235134504. Its totient is φ = 100220640.

The previous prime is 162859043. The next prime is 162859049. The reversal of 162859047 is 740958261.

It is not a de Polignac number, because 162859047 - 2² = 162859043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162859043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160104 + ... + 161117.

It is an arithmetic number, because the mean of its divisors is an integer number (19594542).

Almost surely, 2^162859047 is an apocalyptic number.

162859047 is a deficient number, since it is larger than the sum of its proper divisors (72275457).

162859047 is a wasteful number, since it uses less digits than its factorization.

162859047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321250 (or 321237 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 162859047 is about 12761.6239954012. The cubic root of 162859047 is about 546.0980549518.

The spelling of 162859047 in words is "one hundred sixty-two million, eight hundred fifty-nine thousand, forty-seven".