1655961147 has 12 divisors (see below), whose sum is σ = 2393974440. Its totient is φ = 1103036928.

The previous prime is 1655961121. The next prime is 1655961149. The reversal of 1655961147 is 7411695561.

1655961147 is a `hidden beast` number, since 1 + 6 + 5 + 596 + 11 + 47 = 666.

It is not a de Polignac number, because 1655961147 - 2¹⁶ = 1655895611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1655961149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66822 + ... + 88187.

It is an arithmetic number, because the mean of its divisors is an integer number (199497870).

Almost surely, 2^1655961147 is an apocalyptic number.

1655961147 is a deficient number, since it is larger than the sum of its proper divisors (738013293).

1655961147 is a wasteful number, since it uses less digits than its factorization.

1655961147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156202 (or 156199 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 1655961147 is about 40693.5025157580. The cubic root of 1655961147 is about 1183.0870872828.

The spelling of 1655961147 in words is "one billion, six hundred fifty-five million, nine hundred sixty-one thousand, one hundred forty-seven".