162542620 has 12 divisors (see below), whose sum is σ = 341339544. Its totient is φ = 65017040.

The previous prime is 162542617. The next prime is 162542621. The reversal of 162542620 is 26245261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162542621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4063546 + ... + 4063585.

It is an arithmetic number, because the mean of its divisors is an integer number (28444962).

Almost surely, 2^162542620 is an apocalyptic number.

162542620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162542620 is an abundant number, since it is smaller than the sum of its proper divisors (178796924).

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

162542620 is a wasteful number, since it uses less digits than its factorization.

162542620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127140 (or 8127138 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 162542620 is about 12749.2203683206. The cubic root of 162542620 is about 545.7441452215.

Adding to 162542620 its reverse (26245261), we get a palindrome (188787881).

The spelling of 162542620 in words is "one hundred sixty-two million, five hundred forty-two thousand, six hundred twenty".