1622161461 has 8 divisors (see below), whose sum is σ = 2276717920. Its totient is φ = 1024522992.

The previous prime is 1622161421. The next prime is 1622161477. The reversal of 1622161461 is 1641612261.

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

It is not a de Polignac number, because 1622161461 - 2⁹ = 1622160949 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 (1622161421) 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, 14229430 + ... + 14229543.

It is an arithmetic number, because the mean of its divisors is an integer number (284589740).

Almost surely, 2^1622161461 is an apocalyptic number.

It is an amenable number.

1622161461 is a deficient number, since it is larger than the sum of its proper divisors (654556459).

1622161461 is a wasteful number, since it uses less digits than its factorization.

1622161461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28458995.

The product of its digits is 3456, while the sum is 30.

The square root of 1622161461 is about 40276.0656097390. The cubic root of 1622161461 is about 1174.9823956318.

The spelling of 1622161461 in words is "one billion, six hundred twenty-two million, one hundred sixty-one thousand, four hundred sixty-one".