3502081656 has 80 divisors (see below), whose sum is σ = 10125551040. Its totient is φ = 1129697280.

The previous prime is 3502081643. The next prime is 3502081669. The reversal of 3502081656 is 6561802053.

3502081656 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3502081643) and next prime (3502081669).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3502081656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67081 + ... + 107256.

It is an arithmetic number, because the mean of its divisors is an integer number (126569388).

Almost surely, 2^3502081656 is an apocalyptic number.

3502081656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3502081656 is an abundant number, since it is smaller than the sum of its proper divisors (6623469384).

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

3502081656 is a wasteful number, since it uses less digits than its factorization.

3502081656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174386 (or 174373 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 3502081656 is about 59178.3884200981. The cubic root of 3502081656 is about 1518.5954326466.

The spelling of 3502081656 in words is "three billion, five hundred two million, eighty-one thousand, six hundred fifty-six".