511272066 has 16 divisors (see below), whose sum is σ = 1022788800. Its totient is φ = 170383248.

The previous prime is 511272053. The next prime is 511272077. The reversal of 511272066 is 660272115.

It is a super-2 number, since 2×511272066² = 522798250943816712, which contains 22 as substring.

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, 27955 + ... + 42473.

It is an arithmetic number, because the mean of its divisors is an integer number (63924300).

Almost surely, 2^511272066 is an apocalyptic number.

511272066 is an abundant number, since it is smaller than the sum of its proper divisors (511516734).

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

511272066 is a wasteful number, since it uses less digits than its factorization.

511272066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20393.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 511272066 is about 22611.3260557624. The cubic root of 511272066 is about 799.6206878897.

The spelling of 511272066 in words is "five hundred eleven million, two hundred seventy-two thousand, sixty-six".