1655513166 has 8 divisors (see below), whose sum is σ = 3311026344. Its totient is φ = 551837720.

The previous prime is 1655513147. The next prime is 1655513173. The reversal of 1655513166 is 6613155561.

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

1655513166 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137959425 + ... + 137959436.

It is an arithmetic number, because the mean of its divisors is an integer number (413878293).

Almost surely, 2^1655513166 is an apocalyptic number.

1655513166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1655513166 is a wasteful number, since it uses less digits than its factorization.

1655513166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275918866.

The product of its digits is 81000, while the sum is 39.

The square root of 1655513166 is about 40687.9978126228. The cubic root of 1655513166 is about 1182.9803922802.

The spelling of 1655513166 in words is "one billion, six hundred fifty-five million, five hundred thirteen thousand, one hundred sixty-six".