316411661 has 4 divisors (see below), whose sum is σ = 323143872. Its totient is φ = 309679452.

The previous prime is 316411651. The next prime is 316411681. The reversal of 316411661 is 166114613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166114613 = 7 ⋅23730659.

It is a cyclic number.

It is not a de Polignac number, because 316411661 - 2¹⁰ = 316410637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316411651) 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, 3366035 + ... + 3366128.

It is an arithmetic number, because the mean of its divisors is an integer number (80785968).

Almost surely, 2^316411661 is an apocalyptic number.

It is an amenable number.

316411661 is a deficient number, since it is larger than the sum of its proper divisors (6732211).

316411661 is an equidigital number, since it uses as much as digits as its factorization.

316411661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732210.

The product of its digits is 2592, while the sum is 29.

The square root of 316411661 is about 17787.9639363250. The cubic root of 316411661 is about 681.4241067105.

The spelling of 316411661 in words is "three hundred sixteen million, four hundred eleven thousand, six hundred sixty-one".