162989742 has 32 divisors (see below), whose sum is σ = 332789760. Its totient is φ = 53202240.

The previous prime is 162989689. The next prime is 162989767. The reversal of 162989742 is 247989261.

It is a junction number, because it is equal to n+sod(n) for n = 162989691 and 162989700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110067 + ... + 111537.

It is an arithmetic number, because the mean of its divisors is an integer number (10399680).

Almost surely, 2^162989742 is an apocalyptic number.

162989742 is an abundant number, since it is smaller than the sum of its proper divisors (169800018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162989742 is a wasteful number, since it uses less digits than its factorization.

162989742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848.

The product of its digits is 435456, while the sum is 48.

The square root of 162989742 is about 12766.7435941982. The cubic root of 162989742 is about 546.2440978090.

The spelling of 162989742 in words is "one hundred sixty-two million, nine hundred eighty-nine thousand, seven hundred forty-two".