162537544620 has 192 divisors, whose sum is σ = 557106439680. Its totient is φ = 39012768000.

The previous prime is 162537544613. The next prime is 162537544621. The reversal of 162537544620 is 26445735261.

162537544620 is a `hidden beast` number, since 1 + 6 + 2 + 537 + 54 + 4 + 62 + 0 = 666.

It is a super-2 number, since 2×162537544620² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (162537544621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 464479 + ... + 735401.

It is an arithmetic number, because the mean of its divisors is an integer number (2901596040).

Almost surely, 2^162537544620 is an apocalyptic number.

162537544620 is a gapful number since it is divisible by the number (10) 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 162537544620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278553219840).

162537544620 is an abundant number, since it is smaller than the sum of its proper divisors (394568895060).

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

162537544620 is a wasteful number, since it uses less digits than its factorization.

162537544620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271053 (or 271045 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 162537544620 in words is "one hundred sixty-two billion, five hundred thirty-seven million, five hundred forty-four thousand, six hundred twenty".