2010551656 has 16 divisors (see below), whose sum is σ = 3776560740. Its totient is φ = 1003468800.

The previous prime is 2010551639. The next prime is 2010551663. The reversal of 2010551656 is 6561550102.

It can be written as a sum of positive squares in 2 ways, for example, as 1820387556 + 190164100 = 42666^2 + 13790^2 .

It is a super-2 number, since 2×2010551656² = 8084635922888684672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221145 + ... + 230056.

Almost surely, 2^2010551656 is an apocalyptic number.

It is an amenable number.

2010551656 is a deficient number, since it is larger than the sum of its proper divisors (1766009084).

2010551656 is a wasteful number, since it uses less digits than its factorization.

2010551656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451764 (or 451760 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 2010551656 is about 44839.1754607508. The cubic root of 2010551656 is about 1262.1328736270.

The spelling of 2010551656 in words is "two billion, ten million, five hundred fifty-one thousand, six hundred fifty-six".