813980160 has 480 divisors, whose sum is σ = 3319430400. Its totient is φ = 184246272.

The previous prime is 813980129. The next prime is 813980171. The reversal of 813980160 is 61089318.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7902669 + ... + 7902771.

It is an arithmetic number, because the mean of its divisors is an integer number (6915480).

Almost surely, 2^813980160 is an apocalyptic number.

813980160 is a gapful number since it is divisible by the number (80) 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 813980160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1659715200).

813980160 is an abundant number, since it is smaller than the sum of its proper divisors (2505450240).

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

813980160 is a wasteful number, since it uses less digits than its factorization.

813980160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 813980160 is about 28530.3375374355. The cubic root of 813980160 is about 933.6940827684.

The spelling of 813980160 in words is "eight hundred thirteen million, nine hundred eighty thousand, one hundred sixty".