162997632 has 384 divisors, whose sum is σ = 601473600. Its totient is φ = 41287680.

The previous prime is 162997609. The next prime is 162997663. The reversal of 162997632 is 236799261.

It is a happy number.

162997632 is a `hidden beast` number, since 1 + 6 + 2 + 9 + 9 + 7 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3975532 + ... + 3975572.

Almost surely, 2^162997632 is an apocalyptic number.

162997632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162997632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300736800).

162997632 is an abundant number, since it is smaller than the sum of its proper divisors (438475968).

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

162997632 is a wasteful number, since it uses less digits than its factorization.

162997632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 99 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 162997632 is about 12767.0525964296. The cubic root of 162997632 is about 546.2529118532.

The spelling of 162997632 in words is "one hundred sixty-two million, nine hundred ninety-seven thousand, six hundred thirty-two".