162741428 has 6 divisors (see below), whose sum is σ = 284797506. Its totient is φ = 81370712.

The previous prime is 162741427. The next prime is 162741437. The reversal of 162741428 is 824147261.

It can be written as a sum of positive squares in only one way, i.e., 87086224 + 75655204 = 9332^2 + 8698^2 .

It is a super-4 number, since 4×162741428⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162741421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20342675 + ... + 20342682.

It is an arithmetic number, because the mean of its divisors is an integer number (47466251).

Almost surely, 2^162741428 is an apocalyptic number.

It is an amenable number.

162741428 is a deficient number, since it is larger than the sum of its proper divisors (122056078).

162741428 is a wasteful number, since it uses less digits than its factorization.

162741428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40685361 (or 40685359 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 162741428 is about 12757.0148545810. The cubic root of 162741428 is about 545.9665568303.

Adding to 162741428 its reverse (824147261), we get a palindrome (986888689).

The spelling of 162741428 in words is "one hundred sixty-two million, seven hundred forty-one thousand, four hundred twenty-eight".