1655081835 has 64 divisors (see below), whose sum is σ = 3096092160. Its totient is φ = 746055680.

The previous prime is 1655081821. The next prime is 1655081867. The reversal of 1655081835 is 5381805561.

It is not a de Polignac number, because 1655081835 - 2⁴ = 1655081819 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229261 + ... + 236369.

It is an arithmetic number, because the mean of its divisors is an integer number (48376440).

Almost surely, 2^1655081835 is an apocalyptic number.

1655081835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1655081835 is a deficient number, since it is larger than the sum of its proper divisors (1441010325).

1655081835 is a wasteful number, since it uses less digits than its factorization.

1655081835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 1655081835 is about 40682.6969976180. The cubic root of 1655081835 is about 1182.8776445951.

The spelling of 1655081835 in words is "one billion, six hundred fifty-five million, eighty-one thousand, eight hundred thirty-five".