162499680 has 360 divisors, whose sum is σ = 660677472. Its totient is φ = 36352512.

The previous prime is 162499663. The next prime is 162499681. The reversal of 162499680 is 86994261.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×162499680² = 52812292000204800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162499681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3457417 + ... + 3457463.

Almost surely, 2^162499680 is an apocalyptic number.

162499680 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 162499680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330338736).

162499680 is an abundant number, since it is smaller than the sum of its proper divisors (498177792).

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

162499680 is an equidigital number, since it uses as much as digits as its factorization.

162499680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 162499680 is about 12747.5362325431. The cubic root of 162499680 is about 545.6960833296.

The spelling of 162499680 in words is "one hundred sixty-two million, four hundred ninety-nine thousand, six hundred eighty".