461164191 has 16 divisors (see below), whose sum is σ = 642725376. Its totient is φ = 293569056.

The previous prime is 461164139. The next prime is 461164199. The reversal of 461164191 is 191461164.

It is not a de Polignac number, because 461164191 - 2⁹ = 461163679 is a prime.

It is a super-2 number, since 2×461164191² = 425344822121368962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461164199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36846 + ... + 47748.

It is an arithmetic number, because the mean of its divisors is an integer number (40170336).

Almost surely, 2^461164191 is an apocalyptic number.

461164191 is a deficient number, since it is larger than the sum of its proper divisors (181561185).

461164191 is a wasteful number, since it uses less digits than its factorization.

461164191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542.

The product of its digits is 5184, while the sum is 33.

The square root of 461164191 is about 21474.7337818190. The cubic root of 461164191 is about 772.5949393690.

The spelling of 461164191 in words is "four hundred sixty-one million, one hundred sixty-four thousand, one hundred ninety-one".