162179540 has 24 divisors (see below), whose sum is σ = 341111400. Its totient is φ = 64770048.

The previous prime is 162179527. The next prime is 162179551. The reversal of 162179540 is 45971261.

162179540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17073424 + 145106116 = 4132^2 + 12046^2 .

It is a super-2 number, since 2×162179540² = 52604406389223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 162179540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7436 + ... + 19484.

It is an arithmetic number, because the mean of its divisors is an integer number (14212975).

Almost surely, 2^162179540 is an apocalyptic number.

162179540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162179540 is an abundant number, since it is smaller than the sum of its proper divisors (178931860).

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

162179540 is a wasteful number, since it uses less digits than its factorization.

162179540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12731 (or 12729 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 162179540 is about 12734.9731055860. The cubic root of 162179540 is about 545.3374898141.

The spelling of 162179540 in words is "one hundred sixty-two million, one hundred seventy-nine thousand, five hundred forty".