162125644 has 12 divisors (see below), whose sum is σ = 290640168. Its totient is φ = 79085600.

The previous prime is 162125591. The next prime is 162125647. The reversal of 162125644 is 446521261.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (162125647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494122 + ... + 494449.

It is an arithmetic number, because the mean of its divisors is an integer number (24220014).

Almost surely, 2^162125644 is an apocalyptic number.

It is an amenable number.

162125644 is a deficient number, since it is larger than the sum of its proper divisors (128514524).

162125644 is a wasteful number, since it uses less digits than its factorization.

162125644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988616 (or 988614 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 162125644 is about 12732.8568671764. The cubic root of 162125644 is about 545.2770737144.

The spelling of 162125644 in words is "one hundred sixty-two million, one hundred twenty-five thousand, six hundred forty-four".