1655044066 has 16 divisors (see below), whose sum is σ = 2674929600. Its totient is φ = 763467408.

The previous prime is 1655044057. The next prime is 1655044081. The reversal of 1655044066 is 6604405561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37405 + ... + 68623.

It is an arithmetic number, because the mean of its divisors is an integer number (167183100).

Almost surely, 2^1655044066 is an apocalyptic number.

1655044066 is a deficient number, since it is larger than the sum of its proper divisors (1019885534).

1655044066 is a wasteful number, since it uses less digits than its factorization.

1655044066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33273.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1655044066 is about 40682.2328049973. The cubic root of 1655044066 is about 1182.8686467630.

The spelling of 1655044066 in words is "one billion, six hundred fifty-five million, forty-four thousand, sixty-six".