162497680 has 40 divisors (see below), whose sum is σ = 380100672. Its totient is φ = 64604544.

The previous prime is 162497677. The next prime is 162497681. The reversal of 162497680 is 86794261.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (162497681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7279 + ... + 19441.

Almost surely, 2^162497680 is an apocalyptic number.

162497680 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 162497680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190050336).

162497680 is an abundant number, since it is smaller than the sum of its proper divisors (217602992).

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

162497680 is a wasteful number, since it uses less digits than its factorization.

162497680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343 (or 12337 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 162497680 is about 12747.4577857705. The cubic root of 162497680 is about 545.6938445628.

The spelling of 162497680 in words is "one hundred sixty-two million, four hundred ninety-seven thousand, six hundred eighty".