2162642461 has 8 divisors (see below), whose sum is σ = 2474495744. Its totient is φ = 1851515280.

The previous prime is 2162642441. The next prime is 2162642479. The reversal of 2162642461 is 1642462612.

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

It is a cyclic number.

It is not a de Polignac number, because 2162642461 - 2¹¹ = 2162640413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162642431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175125 + ... + 187066.

It is an arithmetic number, because the mean of its divisors is an integer number (309311968).

Almost surely, 2^2162642461 is an apocalyptic number.

It is an amenable number.

2162642461 is a deficient number, since it is larger than the sum of its proper divisors (311853283).

2162642461 is an equidigital number, since it uses as much as digits as its factorization.

2162642461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363051.

The product of its digits is 27648, while the sum is 34.

The square root of 2162642461 is about 46504.2198192809. The cubic root of 2162642461 is about 1293.1877297308.

The spelling of 2162642461 in words is "two billion, one hundred sixty-two million, six hundred forty-two thousand, four hundred sixty-one".