3525733656 has 96 divisors (see below), whose sum is σ = 9942463440. Its totient is φ = 1170505728.

The previous prime is 3525733643. The next prime is 3525733657. The reversal of 3525733656 is 6563375253.

3525733656 is a `hidden beast` number, since 3 + 525 + 73 + 3 + 6 + 56 = 666.

It is a super-2 number, since 2×3525733656² = 24861595626102252672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525733657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 496080 + ... + 503136.

Almost surely, 2^3525733656 is an apocalyptic number.

3525733656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3525733656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4971231720).

3525733656 is an abundant number, since it is smaller than the sum of its proper divisors (6416729784).

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

3525733656 is a wasteful number, since it uses less digits than its factorization.

3525733656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335 (or 7319 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 45.

The square root of 3525733656 is about 59377.8886118393. Note that the first 3 decimals coincide. The cubic root of 3525733656 is about 1522.0064764543.

The spelling of 3525733656 in words is "three billion, five hundred twenty-five million, seven hundred thirty-three thousand, six hundred fifty-six".