3661562212 has 48 divisors (see below), whose sum is σ = 7996883328. Its totient is φ = 1425150720.

The previous prime is 3661562209. The next prime is 3661562263. The reversal of 3661562212 is 2122651663.

It is a super-3 number, since 3×3661562212³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332458 + ... + 343294.

It is an arithmetic number, because the mean of its divisors is an integer number (166601736).

Almost surely, 2^3661562212 is an apocalyptic number.

It is an amenable number.

3661562212 is an abundant number, since it is smaller than the sum of its proper divisors (4335321116).

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

3661562212 is a wasteful number, since it uses less digits than its factorization.

3661562212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11956 (or 11954 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 3661562212 is about 60510.8437554791. The cubic root of 3661562212 is about 1541.3057756286.

The spelling of 3661562212 in words is "three billion, six hundred sixty-one million, five hundred sixty-two thousand, two hundred twelve".