5651663212 has 24 divisors (see below), whose sum is σ = 10797125696. Its totient is φ = 2572725888.

The previous prime is 5651663203. The next prime is 5651663257. The reversal of 5651663212 is 2123661565.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740628 + ... + 748219.

Almost surely, 2^5651663212 is an apocalyptic number.

5651663212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5651663212 is a deficient number, since it is larger than the sum of its proper divisors (5145462484).

5651663212 is a wasteful number, since it uses less digits than its factorization.

5651663212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488937 (or 1488935 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 5651663212 is about 75177.5445994347. The cubic root of 5651663212 is about 1781.2522446969.

The spelling of 5651663212 in words is "five billion, six hundred fifty-one million, six hundred sixty-three thousand, two hundred twelve".