1655433061 has 8 divisors (see below), whose sum is σ = 1678728600. Its totient is φ = 1632300288.

The previous prime is 1655433037. The next prime is 1655433103. The reversal of 1655433061 is 1603345561.

It can be written as a sum of positive squares in 4 ways, for example, as 433930561 + 1221502500 = 20831^2 + 34950^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1655433061 - 2⁵ = 1655433029 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 (1655433001) 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, 20136 + ... + 60961.

It is an arithmetic number, because the mean of its divisors is an integer number (209841075).

Almost surely, 2^1655433061 is an apocalyptic number.

It is an amenable number.

1655433061 is a deficient number, since it is larger than the sum of its proper divisors (23295539).

1655433061 is a wasteful number, since it uses less digits than its factorization.

1655433061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81383.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1655433061 is about 40687.0134195175. The cubic root of 1655433061 is about 1182.9613117569.

The spelling of 1655433061 in words is "one billion, six hundred fifty-five million, four hundred thirty-three thousand, sixty-one".