61066512 has 60 divisors (see below), whose sum is σ = 184053324. Its totient is φ = 18789120.

The previous prime is 61066501. The next prime is 61066531. The reversal of 61066512 is 21566016.

It is a happy number.

61066512 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 651 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21678336 + 39388176 = 4656^2 + 6276^2 .

It is a super-2 number, since 2×61066512² = 7458237775692288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14439 + ... + 18182.

Almost surely, 2^61066512 is an apocalyptic number.

It is an amenable number.

61066512 is an abundant number, since it is smaller than the sum of its proper divisors (122986812).

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

61066512 is a wasteful number, since it uses less digits than its factorization.

61066512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32648 (or 32639 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 61066512 is about 7814.5065103306. The cubic root of 61066512 is about 393.7927397295.

The spelling of 61066512 in words is "sixty-one million, sixty-six thousand, five hundred twelve".