1655154663 has 16 divisors (see below), whose sum is σ = 2374999776. Its totient is φ = 1021501440.

The previous prime is 1655154661. The next prime is 1655154703. The reversal of 1655154663 is 3664515561.

It is not a de Polignac number, because 1655154663 - 2¹ = 1655154661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655154661) 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 15 ways as a sum of consecutive naturals, for example, 262906 + ... + 269127.

It is an arithmetic number, because the mean of its divisors is an integer number (148437486).

Almost surely, 2^1655154663 is an apocalyptic number.

1655154663 is a deficient number, since it is larger than the sum of its proper divisors (719845113).

1655154663 is a wasteful number, since it uses less digits than its factorization.

1655154663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532114.

The product of its digits is 324000, while the sum is 42.

The square root of 1655154663 is about 40683.5920611738. The cubic root of 1655154663 is about 1182.8949942608.

The spelling of 1655154663 in words is "one billion, six hundred fifty-five million, one hundred fifty-four thousand, six hundred sixty-three".