1654161232 has 20 divisors (see below), whose sum is σ = 3221048800. Its totient is φ = 822922848.

The previous prime is 1654161181. The next prime is 1654161253. The reversal of 1654161232 is 2321614561.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1654161194 and 1654161203.

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, 256578 + ... + 262945.

It is an arithmetic number, because the mean of its divisors is an integer number (161052440).

Almost surely, 2^1654161232 is an apocalyptic number.

It is an amenable number.

1654161232 is a deficient number, since it is larger than the sum of its proper divisors (1566887568).

1654161232 is a wasteful number, since it uses less digits than its factorization.

1654161232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519730 (or 519724 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1654161232 is about 40671.3809945028. The cubic root of 1654161232 is about 1182.6582873301.

Adding to 1654161232 its reverse (2321614561), we get a palindrome (3975775793).

The spelling of 1654161232 in words is "one billion, six hundred fifty-four million, one hundred sixty-one thousand, two hundred thirty-two".