1655126964 has 18 divisors (see below), whose sum is σ = 4183793250. Its totient is φ = 551708976.

The previous prime is 1655126927. The next prime is 1655126971. The reversal of 1655126964 is 4696215561.

1655126964 is a `hidden beast` number, since 1 + 6 + 551 + 2 + 6 + 96 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1467656100 + 187470864 = 38310^2 + 13692^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22987839 + ... + 22987910.

Almost surely, 2^1655126964 is an apocalyptic number.

It is an amenable number.

1655126964 is an abundant number, since it is smaller than the sum of its proper divisors (2528666286).

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

1655126964 is a wasteful number, since it uses less digits than its factorization.

1655126964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45975759 (or 45975754 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 1655126964 is about 40683.2516399562. The cubic root of 1655126964 is about 1182.8883956446. Note that the first 3 decimals are identical.

The spelling of 1655126964 in words is "one billion, six hundred fifty-five million, one hundred twenty-six thousand, nine hundred sixty-four".