1655233841 has 8 divisors (see below), whose sum is σ = 1740383400. Its totient is φ = 1571955840.

The previous prime is 1655233829. The next prime is 1655233843. The reversal of 1655233841 is 1483325561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43612816 + 1611621025 = 6604^2 + 40145^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1655233841 is a prime.

It is a super-2 number, since 2×1655233841² = 5479598136783226562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1655233795 and 1655233804.

It is not an unprimeable number, because it can be changed into a prime (1655233843) 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, 466076 + ... + 469613.

It is an arithmetic number, because the mean of its divisors is an integer number (217547925).

Almost surely, 2^1655233841 is an apocalyptic number.

It is an amenable number.

1655233841 is a deficient number, since it is larger than the sum of its proper divisors (85149559).

1655233841 is an equidigital number, since it uses as much as digits as its factorization.

1655233841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935779.

The product of its digits is 86400, while the sum is 38.

The square root of 1655233841 is about 40684.5651445361. The cubic root of 1655233841 is about 1182.9138560966.

The spelling of 1655233841 in words is "one billion, six hundred fifty-five million, two hundred thirty-three thousand, eight hundred forty-one".