162997556 has 12 divisors (see below), whose sum is σ = 285710880. Its totient is φ = 81365880.

The previous prime is 162997553. The next prime is 162997607. The reversal of 162997556 is 655799261.

It is a happy number.

162997556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162997553) 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, 30440 + ... + 35391.

It is an arithmetic number, because the mean of its divisors is an integer number (23809240).

Almost surely, 2^162997556 is an apocalyptic number.

It is an amenable number.

162997556 is a deficient number, since it is larger than the sum of its proper divisors (122713324).

162997556 is a wasteful number, since it uses less digits than its factorization.

162997556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66454 (or 66452 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 50.

The square root of 162997556 is about 12767.0496200179. The cubic root of 162997556 is about 546.2528269538.

The spelling of 162997556 in words is "one hundred sixty-two million, nine hundred ninety-seven thousand, five hundred fifty-six".