162957465840 has 320 divisors, whose sum is σ = 566170012800. Its totient is φ = 38725779456.

The previous prime is 162957465823. The next prime is 162957465859. The reversal of 162957465840 is 48564759261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15285792 + ... + 15296448.

It is an arithmetic number, because the mean of its divisors is an integer number (1769281290).

Almost surely, 2^162957465840 is an apocalyptic number.

162957465840 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 162957465840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283085006400).

162957465840 is an abundant number, since it is smaller than the sum of its proper divisors (403212546960).

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

162957465840 is a wasteful number, since it uses less digits than its factorization.

162957465840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10741 (or 10709 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 162957465840 in words is "one hundred sixty-two billion, nine hundred fifty-seven million, four hundred sixty-five thousand, eight hundred forty".