162523940 has 12 divisors (see below), whose sum is σ = 341300316. Its totient is φ = 65009568.

The previous prime is 162523919. The next prime is 162523969. The reversal of 162523940 is 49325261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26708224 + 135815716 = 5168^2 + 11654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 162523897 and 162523906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4063079 + ... + 4063118.

It is an arithmetic number, because the mean of its divisors is an integer number (28441693).

Almost surely, 2^162523940 is an apocalyptic number.

162523940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162523940 is an abundant number, since it is smaller than the sum of its proper divisors (178776376).

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

162523940 is a wasteful number, since it uses less digits than its factorization.

162523940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8126206 (or 8126204 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 162523940 is about 12748.4877534553. The cubic root of 162523940 is about 545.7232381076.

The spelling of 162523940 in words is "one hundred sixty-two million, five hundred twenty-three thousand, nine hundred forty".