5651128072 has 16 divisors (see below), whose sum is σ = 10854301500. Its totient is φ = 2756647680.

The previous prime is 5651128061. The next prime is 5651128073. The reversal of 5651128072 is 2708211565.

It can be written as a sum of positive squares in 2 ways, for example, as 5322286116 + 328841956 = 72954^2 + 18134^2 .

It is a super-2 number, since 2×5651128072² = 63870496972292874368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5651128073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8614197 + ... + 8614852.

Almost surely, 2^5651128072 is an apocalyptic number.

It is an amenable number.

5651128072 is a deficient number, since it is larger than the sum of its proper divisors (5203173428).

5651128072 is a wasteful number, since it uses less digits than its factorization.

5651128072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17229096 (or 17229092 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 5651128072 is about 75173.9853406749. The cubic root of 5651128072 is about 1781.1960223438.

The spelling of 5651128072 in words is "five billion, six hundred fifty-one million, one hundred twenty-eight thousand, seventy-two".