1655090960 has 40 divisors (see below), whose sum is σ = 3867460800. Its totient is φ = 658703232.

The previous prime is 1655090923. The next prime is 1655091019. The reversal of 1655090960 is 690905561.

It is a tau number, because it is divible by the number of its divisors (40).

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, 36062 + ... + 67901.

It is an arithmetic number, because the mean of its divisors is an integer number (96686520).

Almost surely, 2^1655090960 is an apocalyptic number.

1655090960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1655090960 is an abundant number, since it is smaller than the sum of its proper divisors (2212369840).

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

1655090960 is a wasteful number, since it uses less digits than its factorization.

1655090960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104175 (or 104169 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 1655090960 is about 40682.8091458788. The cubic root of 1655090960 is about 1182.8798184531.

The spelling of 1655090960 in words is "one billion, six hundred fifty-five million, ninety thousand, nine hundred sixty".