1641662422 has 8 divisors (see below), whose sum is σ = 2463280200. Its totient is φ = 820569024.

The previous prime is 1641662413. The next prime is 1641662431. The reversal of 1641662422 is 2242661461.

It is an interprime number because it is at equal distance from previous prime (1641662413) and next prime (1641662431).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123172 + ... + 135847.

It is an arithmetic number, because the mean of its divisors is an integer number (307910025).

Almost surely, 2^1641662422 is an apocalyptic number.

1641662422 is a deficient number, since it is larger than the sum of its proper divisors (821617778).

1641662422 is a wasteful number, since it uses less digits than its factorization.

1641662422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262190.

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

The square root of 1641662422 is about 40517.4335564335. The cubic root of 1641662422 is about 1179.6720389923.

The spelling of 1641662422 in words is "one billion, six hundred forty-one million, six hundred sixty-two thousand, four hundred twenty-two".