1016554628 has 18 divisors (see below), whose sum is σ = 1813189434. Its totient is φ = 498681664.

The previous prime is 1016554571. The next prime is 1016554703. The reversal of 1016554628 is 8264556101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 509043844 + 507510784 = 22562^2 + 22528^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1016554591 and 1016554600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34001 + ... + 56472.

Almost surely, 2^1016554628 is an apocalyptic number.

It is an amenable number.

1016554628 is a deficient number, since it is larger than the sum of its proper divisors (796634806).

1016554628 is an equidigital number, since it uses as much as digits as its factorization.

1016554628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90583 (or 90528 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1016554628 is about 31883.4538279654. The cubic root of 1016554628 is about 1005.4880357003.

The spelling of 1016554628 in words is "one billion, sixteen million, five hundred fifty-four thousand, six hundred twenty-eight".