397353116160 has 1280 divisors, whose sum is σ = 1895398686720. Its totient is φ = 76202311680.

The previous prime is 397353116141. The next prime is 397353116227. The reversal of 397353116160 is 61611353793.

397353116160 is a `hidden beast` number, since 3 + 97 + 3 + 531 + 16 + 16 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

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

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 69186249 + ... + 69191991.

It is an arithmetic number, because the mean of its divisors is an integer number (1480780224).

Almost surely, 2^397353116160 is an apocalyptic number.

397353116160 is a gapful number since it is divisible by the number (30) 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 397353116160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947699343360).

397353116160 is an abundant number, since it is smaller than the sum of its proper divisors (1498045570560).

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

397353116160 is a wasteful number, since it uses less digits than its factorization.

397353116160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806 (or 5784 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The spelling of 397353116160 in words is "three hundred ninety-seven billion, three hundred fifty-three million, one hundred sixteen thousand, one hundred sixty".