162493540 has 48 divisors (see below), whose sum is σ = 373149504. Its totient is φ = 58947200.

The previous prime is 162493489. The next prime is 162493543. The reversal of 162493540 is 45394261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 162493496 and 162493505.

It is not an unprimeable number, because it can be changed into a prime (162493543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148395 + ... + 149485.

It is an arithmetic number, because the mean of its divisors is an integer number (7773948).

Almost surely, 2^162493540 is an apocalyptic number.

162493540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162493540 is an abundant number, since it is smaller than the sum of its proper divisors (210655964).

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

162493540 is a wasteful number, since it uses less digits than its factorization.

162493540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 162493540 is about 12747.2953994171. The cubic root of 162493540 is about 545.6892102573.

The spelling of 162493540 in words is "one hundred sixty-two million, four hundred ninety-three thousand, five hundred forty".