162536816640 has 272 divisors, whose sum is σ = 567434670336. Its totient is φ = 39400243200.

The previous prime is 162536816623. The next prime is 162536816653. The reversal of 162536816640 is 46618635261.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 162536816640.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10805925 + ... + 10820955.

Almost surely, 2^162536816640 is an apocalyptic number.

162536816640 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 162536816640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283717335168).

162536816640 is an abundant number, since it is smaller than the sum of its proper divisors (404897853696).

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

162536816640 is an equidigital number, since it uses as much as digits as its factorization.

162536816640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15082 (or 15052 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 162536816640 in words is "one hundred sixty-two billion, five hundred thirty-six million, eight hundred sixteen thousand, six hundred forty".