3646171356 has 48 divisors (see below), whose sum is σ = 9142672896. Its totient is φ = 1126819584.

The previous prime is 3646171343. The next prime is 3646171357. The reversal of 3646171356 is 6531716463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646171357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119716 + ... + 147051.

It is an arithmetic number, because the mean of its divisors is an integer number (190472352).

Almost surely, 2^3646171356 is an apocalyptic number.

It is an amenable number.

3646171356 is an abundant number, since it is smaller than the sum of its proper divisors (5496501540).

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

3646171356 is a wasteful number, since it uses less digits than its factorization.

3646171356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266858 (or 266856 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 3646171356 is about 60383.5354711862. The cubic root of 3646171356 is about 1539.1431895451.

The spelling of 3646171356 in words is "three billion, six hundred forty-six million, one hundred seventy-one thousand, three hundred fifty-six".