1656498132 has 36 divisors (see below), whose sum is σ = 4190096820. Its totient is φ = 551791872.

The previous prime is 1656498121. The next prime is 1656498191. The reversal of 1656498132 is 2318946561.

1656498132 is a `hidden beast` number, since 1 + 6 + 564 + 9 + 81 + 3 + 2 = 666.

1656498132 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 836019396 + 820478736 = 28914^2 + 28644^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1656498132² = 5487972122638978848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41094 + ... + 70722.

Almost surely, 2^1656498132 is an apocalyptic number.

1656498132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1656498132 is an abundant number, since it is smaller than the sum of its proper divisors (2533598688).

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

1656498132 is a wasteful number, since it uses less digits than its factorization.

1656498132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31192 (or 31187 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1656498132 is about 40700.0999015973. The cubic root of 1656498132 is about 1183.2149548886.

The spelling of 1656498132 in words is "one billion, six hundred fifty-six million, four hundred ninety-eight thousand, one hundred thirty-two".