162549057 has 16 divisors (see below), whose sum is σ = 239431680. Its totient is φ = 97266000.

The previous prime is 162548999. The next prime is 162549067. The reversal of 162549057 is 750945261.

It is not a de Polignac number, because 162549057 - 2⁸ = 162548801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162549067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28569 + ... + 33782.

It is an arithmetic number, because the mean of its divisors is an integer number (14964480).

Almost surely, 2^162549057 is an apocalyptic number.

It is an amenable number.

162549057 is a deficient number, since it is larger than the sum of its proper divisors (76882623).

162549057 is a wasteful number, since it uses less digits than its factorization.

162549057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62444.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 162549057 is about 12749.4728126303. The cubic root of 162549057 is about 545.7513492986.

The spelling of 162549057 in words is "one hundred sixty-two million, five hundred forty-nine thousand, fifty-seven".