1655984952 has 32 divisors (see below), whose sum is σ = 4599958800. Its totient is φ = 551994912.

The previous prime is 1655984933. The next prime is 1655984959. The reversal of 1655984952 is 2594895561.

1655984952 is a `hidden beast` number, since 1 + 6 + 5 + 598 + 49 + 5 + 2 = 666.

It is a super-2 number, since 2×1655984952² = 5484572322500884608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655984959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3833083 + ... + 3833514.

Almost surely, 2^1655984952 is an apocalyptic number.

1655984952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1655984952 is an abundant number, since it is smaller than the sum of its proper divisors (2943973848).

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

1655984952 is a wasteful number, since it uses less digits than its factorization.

1655984952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666612 (or 7666602 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The square root of 1655984952 is about 40693.7950061186. The cubic root of 1655984952 is about 1183.0927563476.

The spelling of 1655984952 in words is "one billion, six hundred fifty-five million, nine hundred eighty-four thousand, nine hundred fifty-two".