1655074361 has 2 divisors, whose sum is σ = 1655074362. Its totient is φ = 1655074360.

The previous prime is 1655074357. The next prime is 1655074373. The reversal of 1655074361 is 1634705561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1567764025 + 87310336 = 39595^2 + 9344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1655074361 - 2² = 1655074357 is a prime.

It is a super-2 number, since 2×1655074361² = 5478542280879116642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1655074961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827537180 + 827537181.

It is an arithmetic number, because the mean of its divisors is an integer number (827537181).

Almost surely, 2^1655074361 is an apocalyptic number.

It is an amenable number.

1655074361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655074361 is an equidigital number, since it uses as much as digits as its factorization.

1655074361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1655074361 is about 40682.6051402808. The cubic root of 1655074361 is about 1182.8758640506.

The spelling of 1655074361 in words is "one billion, six hundred fifty-five million, seventy-four thousand, three hundred sixty-one".