1162643421 has 16 divisors (see below), whose sum is σ = 1647944640. Its totient is φ = 727027200.

The previous prime is 1162643393. The next prime is 1162643423. The reversal of 1162643421 is 1243462611.

It is not a de Polignac number, because 1162643421 - 2⁹ = 1162642909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162643423) 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, 95220 + ... + 106733.

It is an arithmetic number, because the mean of its divisors is an integer number (102996540).

Almost surely, 2^1162643421 is an apocalyptic number.

It is an amenable number.

1162643421 is a deficient number, since it is larger than the sum of its proper divisors (485301219).

1162643421 is a wasteful number, since it uses less digits than its factorization.

1162643421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202076.

The product of its digits is 6912, while the sum is 30.

The square root of 1162643421 is about 34097.5574051867. The cubic root of 1162643421 is about 1051.5150979979.

The spelling of 1162643421 in words is "one billion, one hundred sixty-two million, six hundred forty-three thousand, four hundred twenty-one".