162001642 has 16 divisors (see below), whose sum is σ = 265738464. Its totient is φ = 73458000.

The previous prime is 162001633. The next prime is 162001649. The reversal of 162001642 is 246100261.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (162001649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 18007.

It is an arithmetic number, because the mean of its divisors is an integer number (16608654).

Almost surely, 2^162001642 is an apocalyptic number.

162001642 is a deficient number, since it is larger than the sum of its proper divisors (103736822).

162001642 is a wasteful number, since it uses less digits than its factorization.

162001642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17925.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 162001642 is about 12727.9865650463. The cubic root of 162001642 is about 545.1380196410.

The spelling of 162001642 in words is "one hundred sixty-two million, one thousand, six hundred forty-two".