1611055064 has 8 divisors (see below), whose sum is σ = 3020728260. Its totient is φ = 805527528.

The previous prime is 1611055063. The next prime is 1611055081. The reversal of 1611055064 is 4605501161.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611055063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100690934 + ... + 100690949.

Almost surely, 2^1611055064 is an apocalyptic number.

It is an amenable number.

1611055064 is a deficient number, since it is larger than the sum of its proper divisors (1409673196).

1611055064 is a wasteful number, since it uses less digits than its factorization.

1611055064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201381889 (or 201381885 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1611055064 is about 40137.9504210168. The cubic root of 1611055064 is about 1172.2946818091.

The spelling of 1611055064 in words is "one billion, six hundred eleven million, fifty-five thousand, sixty-four".