316640293282 has 8 divisors (see below), whose sum is σ = 475446584556. Its totient is φ = 158158098432.

The previous prime is 316640293261. The next prime is 316640293283. The reversal of 316640293282 is 282392046613.

It can be written as a sum of positive squares in 2 ways, for example, as 262524041641 + 54116251641 = 512371^2 + 232629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×316640293282² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316640293283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81021663 + ... + 81025570.

Almost surely, 2^316640293282 is an apocalyptic number.

316640293282 is a deficient number, since it is larger than the sum of its proper divisors (158806291274).

316640293282 is a wasteful number, since it uses less digits than its factorization.

316640293282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162048212.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 316640293282 in words is "three hundred sixteen billion, six hundred forty million, two hundred ninety-three thousand, two hundred eighty-two".