162001047 has 32 divisors (see below), whose sum is σ = 242081280. Its totient is φ = 95679360.

The previous prime is 162001039. The next prime is 162001067. The reversal of 162001047 is 740100261.

It is not a de Polignac number, because 162001047 - 2³ = 162001039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162001027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256422 + ... + 257052.

It is an arithmetic number, because the mean of its divisors is an integer number (7565040).

Almost surely, 2^162001047 is an apocalyptic number.

162001047 is a deficient number, since it is larger than the sum of its proper divisors (80080233).

162001047 is a wasteful number, since it uses less digits than its factorization.

162001047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 162001047 is about 12727.9631913358. The cubic root of 162001047 is about 545.1373522454.

The spelling of 162001047 in words is "one hundred sixty-two million, one thousand, forty-seven".