1655189048 has 8 divisors (see below), whose sum is σ = 3103479480. Its totient is φ = 827594520.

The previous prime is 1655189033. The next prime is 1655189057. The reversal of 1655189048 is 8409815561.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1655188993 and 1655189011.

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 as a sum of consecutive naturals, namely, 103449308 + ... + 103449323.

It is an arithmetic number, because the mean of its divisors is an integer number (387934935).

Almost surely, 2^1655189048 is an apocalyptic number.

It is an amenable number.

1655189048 is a deficient number, since it is larger than the sum of its proper divisors (1448290432).

1655189048 is a wasteful number, since it uses less digits than its factorization.

1655189048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206898637 (or 206898633 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

The square root of 1655189048 is about 40684.0146494910. The cubic root of 1655189048 is about 1182.9031855522.

The spelling of 1655189048 in words is "one billion, six hundred fifty-five million, one hundred eighty-nine thousand, forty-eight".