3506620663 has 12 divisors (see below), whose sum is σ = 4392910200. Its totient is φ = 2774468592.

The previous prime is 3506620657. The next prime is 3506620673. The reversal of 3506620663 is 3660266053.

It is not a de Polignac number, because 3506620663 - 2⁹ = 3506620151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506620643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2751813 + ... + 2753086.

It is an arithmetic number, because the mean of its divisors is an integer number (366075850).

Almost surely, 2^3506620663 is an apocalyptic number.

3506620663 is a deficient number, since it is larger than the sum of its proper divisors (886289537).

3506620663 is a wasteful number, since it uses less digits than its factorization.

3506620663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504926 (or 5504919 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 3506620663 is about 59216.7262097458. The cubic root of 3506620663 is about 1519.2512273211.

The spelling of 3506620663 in words is "three billion, five hundred six million, six hundred twenty thousand, six hundred sixty-three".